Their work other writers ever since.
| A．have influenced | B．has influenced |
| C．influenced | D．influences |
It's high time that you ________ even harder at your lessons as the exam is around the corner.
| A．work | B．will work | C．worked | D．have to work |
The center, dealing with children_______ to computer games, has achieved great success.
| A．addict | B．addicting | C．to addict | D．addicted |
—How I wish I had studied harder when I was in senior school! —If you had，you ________ a university student now.
| A．are | B．would be | C．should | D．were |
With so much work on hand, you _____ to see the game last night.
| A．mustn’t go | B．shouldn’t go | C．couldn’t have gone | D．shouldn’t have gone |
He ______ you more help even though he was very busy.
| A．might have given | B．might give | C．may have given | D．may give |