A．was planning B．planned C．had planned D．would plan

19．We _______ on it for several hours but we have not yet reached any conclusion.

A．work B．are working C．have been working D．have been worked

20．-Why were you not at the concert?

-I________ a close game between two European football teams.

A．watched B．had watched C．was watching D．have been watching

21．-May I speak to your manager Mr.Williams at five o'clock tonight?

-I'm sorry. Mr. Williams ________ to a conference long before then.

A．will have gone B．had gone C．would have gone D．has gone

22．His letter was especially welcome as I ____ from him for long.

A．haven't heard B．would not heard C．hadn't heard D．didn't heard

23．It seems oil from this pipe for some time, we'll have to take the machine apart to put it right.

A．had leaked B．is leaking C．leaked D．has been leaking

24．I want to buy that kind of cloth because I _____ the cloth _____ well.

A．have been told; washes B．have told; washes

C．was told; washed D．have been told; is washed

25．Hello. You  68442936. I'm sorry I'm unable to answer your call right now.

A．reached B．are reaching C．have reached D．had reached

26．Some areas, ____ their severe weather conditions, are hardly populated.

A．due to B．with regard to C．but for D．in spite of

27．Shortly after the book Uncle Tom's Cabin________, the Civil War of America________.

A．came about; broke away B．came out; broke out

C．came on; broke up D．came up; broke down

28．Today, when I think of my friend, I remember the way her face _____ when she saw the picture of a handsome fellow.

A．cheered up B．shone up C．stood up D．lit up

29．- Oh, my God! So many students are coming out. How can you ____ your daughter?

- That's easy. My daughter is wearing a red skirt today.