( )1. It has rained for threedays and Idon't know when it will stop.A.allB. wholeC.all theD. the whole()2. It'sfor us to kill frogs becausethey areA. harmful; harmlessB. harmless; harmfulC. harmful; harmfulD. harmless;harmless)3. -How many students are there in your school?
【题目】 Have you ever heard someone say it was "raining frogs"? You might think this is impossible, but in rare cases, it has actually rained frogs! How could this happen? During a tornado or a powerful thunderstorm, water from a pond or lake can be sucked into the air. This ...