用动词的适当形式填空(现在完成时,一般过去时或一般将来时)
问题描述:
用动词的适当形式填空(现在完成时,一般过去时或一般将来时)
I________(look) for you since this morning.
Where _________you________?
Where is John?
-He ________(go) to the library.
答
1.have been looking
have;been
2.has gone