-How long ______ each other before they ______ married?
--For about a year.
| A．have they known; get | B．have they known; were going to get |
| C．do they know; are going to get | D．had they known; got |
The boy was not allowed ______ his brother’s bike.
| A．to use | B．using | C．use | D．used |
He _____ tasted the mixture and give a smile.
| A．glad | B．gladly | C．was glad | D．was glad to be |
None of the students watched the teacher______.
| A．careful enough | B．enough carefully | C．carefully enough | D．enough careful |
Miss Yang will teach us Chinese today ____ Mr Zhang.
| A．instead | B．instead of | C．to | D．of |
Johnny, you ________ play with the knife, you ________ hurt yourself.
| A．won’t; can’t | B．mustn’t; may |
| C．shouldn’t; must | D．can’t; shouldn’t |