34．—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．

29．—The cleaning must have taken you quite a long time yesterday．
—Right．The rooms ______ for two months．

35. — Is your father still in bed?
— No, he ______ and ______ for you in the dining room now.

A．is already up; waits

B．got up; waiting

C．has got up; waited

D．is already up; waiting

One third of the workers in this city ______ now on strike. 

35．—Do you like the material?
—Yes, it ___________ very soft.

33．Bread and butter____________ for breakfast in many Chinese homes nowadays.

27．I would have come to see you earlier, but I __________ too busy.

A．had been

B．were

C．was

D．would be

25．In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.

A．lie

B．are lying

C．lies

D．lays

22．Collecting stamps as a hobby___________ increasingly popular during the past fifty years.

No decision       about any future plan until we have done a thorough research of the teachers’ preference.