The hijackers threatened ............... one passenger every hour if their demands were not met.

A. kill B. to skill C. be killed D. to have been killing

We were made ............... so hard by our teacher.

A. to work B. work C. to have worked D. be working

Police are urging anyone who saw the accident ............... them immediately.

A. to contacting B. contact C. contacting D. contacting

They didn't deserve ................

A. win B. to win C. won D. to be won

They appeared ............... what was happening.

A. to know B. know C. not to know D. not know

What she always promises to do but never does is ................on time.

A. arrive B. to arrive C. be arrived D. have arrived

............... high scores in exam, you have to ............... much harder.

A. To get/ study B. Get/ study C. Get/ be studying D. To get/ to study

The software enables you ............... your own DVDs.

A. to create B. create C. to have created D. be creating

She did ...............the money. I saw it.

A. stole B. stolen C. steal D. to steal

I can hear a cat ............... at the window.

A. scratches B. to scratch C. be scratching D. scratch