---Could you tell me_________?
---Sorry, I have no idea, either. You can ask the policeman over there.
| A．what's happened to them |
| B．how I can arrive the museum |
| C．when did the accident happen |
| D．where they had gone to |
He tells me not only his parents but also he ______America.
| A．has been to | B．have been to | C．have gone to | D．has gone to |
Planting apple trees is _____ interesting work, don’t you think so ?
| A．a | B．an | C．the | D．/ |
．You ________ read in the sun, it’s bad for your eyes.
A. ought not B. ought to C. ought not to
—What does the Sign 
on the bottle mean? —It means “________”.
A. dangerous B. save water C. recycling
Hurry up, _________ you will miss the bus.
A. or B. and C. but