1. Revolution means ?____? the productive forces.?

A. to liberate

B. liberated

C. liberate

D. liberating?

2. Variables such as individual and corporate behaviour ?____?nearly impossible for economists to forecast economic trendwith precision.?

A. make

B. make it

C. making

D. makes it?

3. Home is home, ?____? ever so homely.?

A. it is

B. it were

C. be it

D. it be?

4. Mary is ?____? than Alice.?

A. more experienceda teacher ?

B. a more experienced teacher?

C. more an experienced teacher ?

D.more experienced teacher?

5. Arriving at the bus stop, ?____? waiting there.?

A. a lot of people were ?

B. he found a lot of people?

C. a lot of people?

D. people were found?

6. She has taken great pains to conceal her emotions, and thereby made them ?____?conspicuous.?

A. all the more

B. all the much ?

C. all more

D. all much?

7. He didn’t go to the party, but he does wish he ?____?there.?

A. would be

B. has been?

C. would have been

D. had been?

8. It was recommended that passengers ?____? smoke during the flight.?

A. not

B. need not?

C. could not

D. would not?

9. Only take such clothes ?____? really necessary.?

A. as were

B. as they are?

C. as they were

D. as are?

10. They lost their way in the forest, and ?____? made matter worse was that night began tofall.?

A. that

B. what

C. it

D. which?