When I was a baby, I _____ walk. A. can’t B. couldn’t C. can
----May I go swimming this afternoon? ----I'm afraid not _______ you have finished your homework.
Lucy enjoys dancing. It’s one of her_______.
一Whatdoesyourbrotherdo? —Heisuniversitystudent.
In a library, which sign can you see on the wall?
My science teacher told us that the earth around the sun.