Prices____ all the time and no one knows when they stable.
| A．are going up; become | B．have been going up; will become |
| C．have gone up; will become | D．have been gone up; become |
______ for the fact that his father is general manager of the company, he would never get the job.
| A．Had it not been | B．Were it not | C．Had not it been | D．Were not it |
Be careful not to drop it; it's very ______.
| A．fragrant | B．fragile | C．allergic | D．aggressive |
Last night Mr. Crook didn’t come back at the usual time.______，he met some friends and stayed out until midnight.
| A．Meanwhile | B．However | C．Instead | D．Thus |
－Any information about your son?
－No，if only I______ those tough words to him.
| A．didn’t say | B．hadn’t said | C．shouldn’t have said | D．couldn’t have said |
—Do you let your kids travel alone at night?
—______!
| A．Forget it | B．Go ahead | C．Absolutely not | D．At any time |