_____ puzzles me most is that I don’t know ______ the difference between the two lies.
| A．What, how | B．What, where | C．That, what | D．How, which |
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 |
- How did the Short Play Festival strike you?
- ________. We can’t think too highly of it.
| A．It makes no sense | B．It is awful | C．It all depends | D．It is wonderful |