— I don’t mind telling you what I know.
— You _______. I can manage it myself.
| A．mustn’t | B．ought not to |
| C．can’t | D．don’t have to |
Although Jeff loves KFC, he tries ____ it too often.
| A．to eat | B．not eat | C．to not eat | D．not to eat |
Who do you think you’d like ____?
| A．to make friends | B．make friends | C．to make friends with | D．make friends with |
When you leave, don’t forget ____ off the light.
| A．to turn | B．turning | C．turn | D．turned |
It ____ Jack twenty minutes ____ the math problem yesterday.
| A．took; to work out | B．takes; worked out |
| C．has taken; work out | D．is taking; working out |
He stood there for two hours ____ the game.
| A．watched | B．watching | C．is watching | D．was watching |