If you ____________ stop smoking, you can only expect to have a bad cough.
| A．won’t | B．would not | C．do not | D．can not |
When Peter speaks in public, he always has trouble _ the right things to say.
| A．thinking of | B．to think of | C．thought of | D．think of |
As Jack left his membership card at home, he wasn't allowed
into the sports club.
| A．going | B．to go | C．go | D．gone |
Bird's singing is warning to other birds _______ away.
| A．to stay | B．staying | C．stayed | D．Stay |
_______ with care, one tin will last for six weeks.
| A．Use | B．Using | C．Used | D．To use |
The old man sat in front of the television every evening, happy _______anything that happened to be on.
| A．to watch | B．watching | C．watched | D．to have watched |