There ___ in this room.

A. to introduce

B. to be introduced

C. introducing

D. being introduced

A. What do you think we should do

B. Do you think what do we should

C. What do you think should we

D. Do you think what should we do

A. will he be

B. does he come

C. he will be

D. did he come

A. sum

B. summed

C. will sum

D. would sum

A. Being no rain

B. There was no rain

C. To be no rain

D. There being no rain

A. has

B. are being

C. is

D. are

A. What；what

B. What；that

C. That；that

D. That；what

A. where she works at

B. in which she works

C. for which she works in

D. in where she works

A. being not invited

B. not being invited

C. not inviting

D. not to be invited

A. that you really need

B. that you are really needed

C. what you really need

D. that you are really needing