Question

I ________ my washing machine the whole morning．I must get it done before noon．

1. A.
   have repaired
2. B.
   am repairing
3. C.
   will repair
4. D.
   have been repairing

Answer 1

D
解析：
从后句“I must get it done before noon．”可知“我”还在修洗衣机，故选D项。