题目内容
—I’m going to the United States.
—How long ______ you ______ in the United States?
—How long ______ you ______ in the United States?
| A.are; stayed | B.are; staying | C.have; stayed | D.did; stay |
B
考查时态。句中用现在进行时表示将来。句意:你将在美国呆多长时间?选B。
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