People have learned a lot from _______ / saɪən'tɪfɪk / studies.
| A．science | B．scientific |
| C．sight | D．sightseeing |
Now the transportation is convenient.It’s only____ ride from here to Beijing.
| A．two hours train | B．two- hours train |
| C．two-hour train | D．two- hour’s train |
He hardly gave his parents any problems,_____?
| A．does he | B．doesn’t he |
| C．did he | D．didn’t he |
Her son _____ coke,but now he ____milk.
| A．used to drink,is used to drinking |
| B．used to drinking, drinks |
| C．is used to drinking, used to drink |
| D．is used to drink,is drinking |
I don’t know if my father ______back , but I’ll tell you if he ______back.
| A．comes;comes | B．will come; comes |
| C．come; will come | D．come;come |
When she got back home,she found that her friend _____ her.
| A．has fooled | B．had fooled |
| C．fooling | D．fooled |