—Let ________ clean the classroom. —Good idea. A.we B.us C.she
A rabbit is ______ on the grass (草地). A. running B. run C. runing
They are _______ the insects carefully. A. watch B. watching C. watches
The elephants often ________ water with ________ trunks. A. drinking … it's B. drinking … their C. drink … their
--- _____is Sarah? ---She is in the car. A .What B. Where C .That
找出不同类的单词。 ( )
( )