选词填空 am is are 1.—What ____ you doing? —I ____ painting. 2. We _____ playing basketball. 3. —What ______ Jenny doing? —She ____ singing. 4. Mike and Tom _____ reading books.
选择恰当的单词,并用恰当的形式填空。 are where’s they’re she what 1.—What’s _____doing? —She’s reading. 2.—______ my schoolbag? —It’s under the desk. 3. Shh! ______ sleeping. 4.—______ are you doing? —I’m writing. 5. They’re playing, and they ____ having fun.