1.__your homework now.It's time__.
A.Don't,sleep B.Do,to sleep C.Don't do,sleep D.Don't do,to sleep
答案：D 意为：别做功课了,现在该睡觉了.
2.__active in class.
A.Please are B.Please be C.Please D.Please am
答案：B 意为：请在班上活跃一点.
please 后加原形,此处的动词不可省去
3.Can the boys come__this afternoon?
A.on B. C.in D.of
答案：B
this afternoon,或this morning ,以及this week 等表示时间时都不用加介词.
4.They each__new names.
A.have B.has C.there's D.there're
答案：B
each 后面用单数动词
5.I'll show__around__school.
A.him,I B.him,my C.he,my D.his,mine
答案：B
show动词后加宾格代词,school 是名词,前面应该加主格物主代词