Was it in front of the market____________ the road accident happened yesterday?
| A．where | B．that | C．which | D．why |
As a new-comer of the class, Sarah hopes to become a friend of___ shares her interests and has common outlooks．
| A．whoever | B．whomever | C．no matter who | D．anyone |
You can’t catch the charm of English poetry ___you understand its rhythm．
| A．if | B．unless | C．though | D．while |
The word "breakthrough" is often used when talking about the newest drug or the next treatment ___ in cancer research．
| A．finding | B．being found | C．to be found | D．found |
October 24, 1860, the Qing government and the Britain sighed "the treaty ofBeijing", ___ put an end to the second Opium war．
| A．which | B．that | C．when | D．in which |
___ the invention of the steam engine, the industrial revolution played a vital role in human history．
| A．Originating in | B．Originated in |
| C．To originate in | D．Being originated in |