你是售货员,你见到顾客常说_____A.How much are they? B.What time is it? C.Can I help you?
Look at the clouds the sky. A.on B.inC.at
-What are you doing? -I’m . A.cook B.cookingC.where
-are you? -I’m in the kitchen. A.What B.like C.Where
There two bathrooms. A.are B.is C.has
in your new house? A.What B.What’s C.Where