【简答题】根据I栏的问句在II栏中选择恰当的答语。 Ⅰ ( )1. Where have you been? ( )2. What happened to your brother? ( )3. What is the population of the U.S.A.? ( )4. How long have you been like this? ( )5. Do ...
【简答题】翻译以下短语并完成句子 1. take an active part in ____ 2. join ____ 3. attend____ 4. When did your brother ____ the army? 5. He'll____ us ____ singing the song. 6. We'll ____social practice during the summer va...