He is always really rude, ________ is why people tend to avoid him．

A．that

B．it

C．this

D．which

________ is known to everybody, the moon travels round the earth once every month．

A．It

B．As

C．That

D．What

－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

________ smoking here will be fined．

A．Who

B．Whomever

C．Anyone

D．Whoever

I’ll come to see you if ________．

A．you’re convenient

B．it is convenient for you

C．you feel convenient

D．it is convenient with you

He ran as fast as he could ________ the bus．

A．catch

B．to catch

C．catching

D．caught

________ him and then try to copy what he does．

A．Mind

B．Glance

C．Stare at

D．Watch

Everyone working on Sunday will have ________ pay doubled．

A．its

B．their

C．ones

D．one

________ is no possibility ________ Bob can win the first prize in the match．

A．There; that

B．It; that

C．There; whether

D．It; whether

Reaching the middle of the hill, she stopped ________ it．

A．to have climbed

B．climbing

C．to climb

D．climb