As ______ , we would ask you to open an irrevocable credit in your favour and shall hand over shippi

We would be very pleased to be of service () you.

A、to

B、for

C、on

D、with

If we ______ that the books were available, we would have bought them. yesterday．

A．knew B．known C．had known D．were known

We would like to thank them for their () and understanding.

A.passion

B.patience

C.profession

In order to help him, we would do everything we can.()

A.didn’t we

B.did we

C.would he

D.wouldn’t he

A.had finished

B.finished

C.would have finished

D.will finish

A．Should we gather enough information

B．If we would gather enough information

C．Had we gathered enough information

D．Was we to gather enough information

we’re safer in a train than we would be if we____ any other way.

A、traveled

B、had traveled

C、travel

D、have traveled

A.take

B.have

C.make

D.wake