新目标八年级下unit1-unit3单元考试英语试卷
一、单项选择（20分）
从每小题所给的A、B、C、D四个选项中选出最佳答案。
(    ) 1．My uncle will be back       .
A. after half a month            B. three days ago 
C. for three days               D. in three days
(    )2．I have        time to play. I am always doing my homework.
        A. a little       B. little       C. a few      D．few
(    )3．I will be         astronaut when I grow up.
        A. a           B. the        C. an         D. X
(    )4．They were playing basketball         it rained.
        A. while       B. when       C. as         D. before
(    )5．My sister played her CD too loud. I think she        turn it down.