问题
Where is your sister, Dick? I need her help. — Dad, she in her room. Let me help you instead.
A:sleeps
B:is sleeping
C:slept
D:was sleeping
B:is sleeping
C:slept
D:was sleeping
正确答案是：
同类题型
Millie often goes to school by bus but ________her mother drives her to school.
How often do you clean your classroom? —_________．
Listen!Some birds are singing_____ the tree! [ ]
What bad weather we have! It has rained _____ the day before yesterday. [ ]
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