—He’s got our tickets.
—That’s good I ________afraid that he ________them.
| A．am; has forgotten | B．was; had forgotten |
| C．was; forget | D．am; will forget |
If China’s space technology has achieved ____ breakthrough in this field, it really is ____ amazing wonder.
| A．the; an | B．a; an | C．不填; the | D．a; 不填 |
Is it high time that the children _____ go to school ?
| A．will go | B．went | C．would go | D．to go |
We are all _______about her safety . As far as I am _____, this case _____her .
| A．concerns ,concerned , concerns | B．concerned , concerned , concerns |
| C．concerns , concerns, concerned | D．concerning ,concerned ,concerns |
After supper Wang Wei put her head down on her pillow and went to sleep but I stayed _______.
| A．to be waking | B．waked | C．waking | D．awake |
______ you make a promise, you should keep ______.
| A．Once… it | B．If… it | C．When … one | D．Although … one |