Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
| A．which | B．that | C．when | D．where |
Xie Lei, a student studying abroad, highly recommends that you a substitute family to be with.
| A．had | B．have | C．has | D．should to have |
I’ve included some photos in my letterwill help you picture the places I
worked as a volunteer teacher.
| A．that, which | B．which, where | C．which, that | D．\, in which |
It was such a ______ to have spent a day with the local family.
| A．privilege | B．concept | C．qualification | D．requirement |
—When did you last year ______ Bossimi?
—You must make a mistake I have never _____ such a person.
| A．hear from, hear about | B．hear from, hear of |
| C．hear of , hear from | D．hear from, heard of |
Peru was a new world to me and I was ______ find out more about it for myself.
| A．adapting to | B．dying to | C．adjusting to | D．devoting to |