be great at A.擅长 B.明白
The first thing _____ some breadA. is B. are C.were
I can play football _____.A.good B.well C.bad
I want three ______ of sweets.A. box B.boxs C. boxes
_____ did you do at nine o’clock on Saturday?-----:I read a book .A. Where B. What C. How
Yesterday I went to ______ school.A.Sam’s and Jim’s B.Sam and Jim C.Sam and Jim’s