I have many friends, ________ some are businessmen．

A．of them

B．from which

C．who of

D．of whom

He will come to call on you the moment he ________ his painting．

A．will finish

B．finished

C．has finished

D．had finished

________, Mother will wait for him to have dinner together．

A．However late is he

B．However he is late

C．However is he late

D．However late he is

After the war, a new school building was put up ________ there had once been a theatre．

A．that

B．where

C．which

D．when

－What was the party like?

－Wonderful．It's years ________ I enjoyed myself so much．

A．after

B．when

C．before

D．since

________ born in Chicago, the author was famous for his stories about New York．

A．Since

B．Once

C．When

D．Although

________ hard she tries, she can hardly avoid making mistakes in her homework．

A．Much

B．However

C．As

D．Although

You may arrive in Beijing early ________ you mind taking the night train．

A．that

B．though

C．unless

D．if

What's the matter ________ they still haven't answered the telegram?

A．when

B．that

C．though

D．however

________ he comes, we won't be able to go．

A．Without

B．Unless

C．Except

D．Even