Now that you’ve mastered the basics ofhaveandhas, it’s time to talk about how to use them in combination with other verbs. For every sentence that simply indicates possession (I have a cat), there’s going to be another that usesto havein a more complex way. For example, if you ...
I always have problems thinking about the use of has, have, had in a sentence. Could you please help me with this? Thanks - NickHi Nick. The difference
and (9) If you know or suspect that your partner has AIDS, will you stop having sex with him? Participants were asked about their use (nonmedical or recreational) of seven commonly used RDs at parties or during sexual contact in the previous 6 months: poppers, ecstasy, methamphetamine,...
Thus, CA125 has a limited role in the differential diagnosis between endometriosis and ovarian cancer due to the lack of specificity [12]. Recently, the role of surgery for the treatment of ovarian endometriosis in women with pregnancy desire has been criticized because of the fear of ovarian ...
😄 Question about use Have no/ has no/ had no VS haven't/ hasn't/ hadn't= Are they mean the same thing or not too?. 查看翻译 Report copyright infringement 回答 Close 当你"踩"了一个回答的时候, 回答者不会收到通知。 O只有提问者才能查看踩了这个回答的用户。 好的 加载更多 Ri...
5 Postoperative opioid prescribing has been shown to increase the risk of new persistent opioid use after cesarean delivery, but definitions used in obstetrics have been more stringent than those used in other surgical specialties and thus may underestimate rates.3,5 In addition, rates of new ...
of biodiversity or ecosystem services2,3, there has been relatively less emphasis on species’ behavior4. Indeed, some PAs may not meet conservation needs for certain taxa5,6, because globally PAs exhibit selection biases toward areas of low agricultural value rather than inherent ecological value7...
Food frequency questionnaires (FFQs) have been validated in pregnant women, but few studies have focused specifically on low-income women and minorities. The purpose of this study was to examine the validity of the Harvard Service FFQ (HSFFQ) among low-income American Indian and Caucasian pregnant...
25 Indeed, the coronavirus disease 2019 pandemic has accelerated the shift in health care delivery away from traditional settings, with increasing use of telehealth clinical encounters.26 In addition to randomized studies, integration of wearables with electronic medical records could provide comprehensive ...
1 Treatment for HCV infection has changed rapidly since 2014 with the introduction of highly efficacious direct-acting antivirals (DAAs).1-3 Direct-acting antiviral treatment for HCV infection is associated with lower mortality and is effective in individuals with alcohol use disorder (AUD). ...