一、选择填空（本题共15分，每小题1分）
在每题的备选答案中，选出一个最佳答案，并将选出的答案的英文字母填在题前的括号内
（ ）1.An apple a day is good _______ your health.
A.to B.in C.at D.for
（ ）2.-Can you come to play with us?
-Sorry,I ________.
A.can B.can't C.am D.may be
（ ）3.-What does she do on weekends?
-She ______goes to the movies.
A.sometimes B.s ometime C.some times D.some time
