—I don't mind how you do it ______ you finish the painting on time.

—OK, I see.

A．as well as B．as far as

C．as long as D．as fast as

—Was it 11 o'clock ________ your father came back last night?

—Yes, he is always coming back so late.

A．that B．while

C．when D．until

________ you need something, please don't hesitate to let me know.

A．Even though B．In case

C．As though D．Even if

Mr. Smith doesn't go to his usual club, ________ it is being decorated these days.

A．for B．yet

C．so D．or

One split second later your life or someone else's life could be gone ________ you are just glancing at your phone to check a text message.

A．even though B．in that

C．only if D．as if

You know it's love when all you want is that person to be happy, ________ you're not part of their happiness.

A．even if B．as if

C．if only D．if ever

There is no point advocating banning smoking in public ________ the law is introduced.

A．when B．unless

C．since D．because

It is comforting to see that ________， we are doing our part for the environment.

A．as small may be we B．as we may be small

C．small as may be we D．small as we may be

________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.

A．Even if B．As far as

C．If only D．So long as

Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands.

A．whether B．after

C．if D．until