Doctor Brown says that ________ what forceful arguments against cigarette harm there are, many people insist on smoking．

A．though

B．however

C．no matter

D．even if

The government has taken some measures to solve the shortage of electricity, but it may be some time ________ the situation improves．

A．since

B．when

C．unless

D．before

They are always ready to give the vacant seats to ________ comes first．

A．who

B．whom

C．whoever

D．whomever

Americans don’t like using Mr．Mrs．or Miss．So, if they don’t use your last name or titles, that really doesn’t mean any ________．

A．lack respect

B．lacking respect

C．lacking respecting

D．lack of respect

Hello!I ________ you ________ in Shanghai．How long have you been here?

A．don’t know, were

B．haven’t known, are

C．didn’t know, were

D．hadn’t known, are

Was it at the school ________ was named after a hero ________ he spent his childhood?

A．which, that

B．where, where

C．that, where

D．which, where

How close parents are to their children ________ a great effect on the characters of the children．

A．have

B．to have

C．having

D．has

－Sorry to have hurt you．

－________．You didn’t mean to, did you?

A．Forget it

B．No problem

C．All right

D．Don’t say so

－What do you think of the blind man?

－I’ve never seen a man with ________ sense of touch．

A．the better

B．a better

C．a good

D．the best

________ does the salesgirl get up late in the morning，for she is always too busy to take a good rest．

A．At no time

B．At any time

C．In no time

D．For all time