The teacher asked us ________ so much noise．

A．don't make

B．not make

C．not making

D．not to make

We must have an engineer ________ the workers build the house．

A．to see

B．see

C．seeing

D．seen

I ________ the truth of your remarks, although they go against my interests．

A．can not but admit

B．can not help but to admit

C．can not but admitting

D．can not help but admitting

The speaker raised his voice but still couldn't make himself ________．

A．hear

B．to hear

C．hearing

D．heard

The professor spoke in a loud voice ________ every one of us could hear him．

A．such that

B．so

C．so that

D．such

－Was his father very strict with him when he was at school?

－Yes．He had never praised him ________ he became one of the top students in his grade．

A．after

B．unless

C．until

D．when

The purpose of new technologies is to make life easier, ________ it more difficult．

A．not make

B．not to make

C．not making

D．do not make

It is nearly 20 years since she began to ________ the subject．

A．work on

B．work at

C．work out

D．work with

Jaures is an honest man; I say it, ________ I have opposed him．

A．as if

B．so that

C．even though

D．while

When ________ different cultures, we often pay attention only to the differences without noticing the many similarities．

A．compared

B．being compared

C．comparing

D．having compared