Liam: Let me see, Chau. Well, I’m going to have a meeting at the drama club from 8 a.m. to 4 p.m. After that time, I will be pretty open. Tom: Great! Luckily, I have two tickets for the Vietnamese water puppet show at Thang Long Theatre at 6 p.m. Would you like to ...
not all serious diseases can be cured with vaccines. Therefore, having a good (3) ___ is one of the best ways to stay away from illness. Hopefully, with the (4) ___ advancement, various kinds of vaccines will be invented