Scientists think that the continents _______ always where they ___today.
| A．aren’t; are | B．aren’t; were | C．weren’t; are | D．weren’t; were |
Something else I’ve greatly enjoyed is working as _____ peer mediator, someone who helps _____ students to settle problems that they have with other students.
| A．the; the | B．/; / | C．a; the | D．a ; / |
I didn’t know his address yesterday, otherwise I __________ him a visit.
| A．would pay | B．would have paid | C．paid | D．had paid |
Success is how you are viewed by others, _______ achievement is something you do yourself.
| A．while | B．in case | C．even if | D．as long as |
Jeremy Lin, _________ story is popular on the Internet, has attracted worldwide attention.
| A．whom | B．which | C．whose | D．that |
I ran across a car crash in Hong Kong, and ________, both sides just politely exchanged the telephone numbers and cards, a surprise to me.
| A．similarly | B．unexpectedly | C．willingly | D．disappointedly |