－Canada is ________ colder than China．

－Are you joking?It’s ________ colder．

A．a little; more

B．little; more

C．a little; much

D．little; much

The boss made a promise ________ he would pay more attention to the workers’ health．

A．whether

B．why

C．that

D．which

No sooner ________ arrived here ________ she began to work．

A．did she; when

B．had she; as

C．had she; than

D．she had; when

Last week, only two people came to look at the house, ________ wanted to buy it．

A．none of them

B．both of them

C．none of whom

D．neither of whom

As a result of the serious flood, two thirds of the buildings in the area ________．

A．needs repairing

B．need repairing

C．need to repair

D．needs to be repaired

It ’s already 6 o’clock now．Don’t you think it’s time ________?

A．we are going home

B．we go home

C．we went home

D．we can go home

－Who ________ it be that is standing under the tree?

－It ________ be my father, but I’m not sure．

A．can; may

B．must;can

C．may; must

D．must; should

－She looks very happy．She ________ have passed the exam．

－I guess so．

A．should

B．could

C．must

D．might

John received an invitation to dinner, and with his work ________, he gladly accepted it．

A．finishing

B．finished

C．having finished

D．was finished

________ the fact that I don’t like my job, I must work very hard．

A．In spite of

B．Instead of

C．Because of

D．In place of