The OPEC has recently cut back production and the price of oil has been ______ to $90 a barrel (桶).
| A．risen | B．raised | C．arisen | D．arose |
After the summer camp, I realized I wanted to take a route _______
_ I could use English all the time.
| A．that | B．which | C．/ | D．where |
Was it midnight ________ the fire broke out?
| A．when | B．that | C．which | D．at which |
— ________ he ________ anything about this historic site?
— Yes. That’s why he suddenly becomes so obsessed with it.
| A．Has; read | B．Does; read | C．Did; read | D．Had; read |
You should never base anything on a theory that _________ impractical in practice.
| A．is proved | B．prove | C．proves | D．proved |
With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.
| A．doing | B．did | C．have | D．do |