---Did you get a ticket?

---Yes. Otherwise I____ the concert last night.

A．didn’t attend                         B．wouldn’t attend

C．hadn’t attended                       D．couldn’t have attended

He_____ articles for our wall-newspaper these years, and he____ about thirty articles.

A．has written; wrote                      B．has been writing; wrote

C．is writing; has been writing                D．has been writing; has written

The coasted areas have mild winters, but ____ the central plains become extremely cold.

A．by contrast        B．with contrast       C．contrast           D．contrasting

In a way it was a(n)______ to know exactly what we were up against.

A．effect            B．means            C．relief             D．suggestion

The programme was so exciting that the children kept their eyes____ on the screen.

A．to fix             B．fixed             C．to be fixed         D．fixing

-- What’s the matter with you?

---____ the window, my finger was cut unexpectedly.

A．Cleaning          B．To clean           C．While cleaning     D．While I was cleaning

--You were brave enough to raise objections at the meeting.

---Well, now I regret____ that.

A．to do             B．to be doing        C．to have done       D．having done

--You didn’t wait for Mike last night, did you?

---No, and we____ for him. He didn’t return home at all.

A．didn’t need to wait                     B．needn’t waiting

C．needn’t have waited                    D．didn’t need wait

___ is known to all, China will be an _____ and powerful country in 20 or 30 years’time.

A．That; advancing     B．This; advanced      C．As; advanced       D．It; advancing

I remember a ____ famous scientist said that we should believe in ourselves first of all.

A．some             B．certain            C．sure             D．other