问题

How long do you think it will beChina sends a manned spaceship to the moon ?—Perhaps two or three years.[ ]

A: when
B: until
C:hina sends a manned spaceship to the moon ?—Perhaps two or three years/T
D: before

正确答案是：

同类题型

Haven’t seen you for ages! Where have you been—I went to Sichuan Province and ____there for two years.

下列各句，没有错别字的一项是：（）

Would you kindly tell me ______

________time went on, the people in the area came to realize how seriously the environment had been polluted.[ ]

Haven’t seen you for ages! Where have you been, anywhere — I _______ to New York City. I just got back.