--What’s wrong with you , Eric ? You look tired .--I ______ to prepare for the final exam last night .
My coat is white, but this _____ is blue. A. it B. one C.coats
She gets up ______ 6:10. I think she’s a good girl. A. at B. in C. on
It’s half past eleven. It’s time ________ have lunch. A. to A. of C. at
It’s difficult for _______ to draw the pictures,______ are too young. (小)
---Thank you very much. ----__________.