With the successful launch of Tiangong-I, which was ______ breakthrough in space field, China's space dream took a step closer to ______ reality.
| A．a; / | B．the; a | C．a; the | D．the; / |
He accidentally ___ he had quarreled with his wife and that he hadn't been home for a couple of weeks.
| A．let out | B．took care | C．made sure | D．made out |
I don't _ ___ rock 'n' roll. It's much too noisy for my taste.
| A．go after | B．go away with | C．go into | D．go in for |
1 have always been honest and straightforward, and it doesn't matter ___ __ I'm talking to.
| A．who is it | B．who it is | C．it is who | D．it is whom |
---Who is the girl standing over there ?
---Well , if you ___know , her name is Mabel .
| A．may | B．can | C．must | D．shall |
Tom sat under a tree and seeing his friend, __ up in no time.
| A．to stand | B．standing | C．stood | D．would stand |