The boy likes playing jokes on his classmates, __________ of course makes him popular.
| A．which | B．whom | C．for which | D．for whom |
The number of the people who can afford to buy their own house ______ more than 60%,but a number of houses _______.
| A．are; hasn’t been built | B．are; has built | C．is; haven’t been built | D．is; have built |
I didn’t get a pay rise, but that wasn’t the right reason _______I left.
| A．how | B．at which | C．when | D．for which |
He started to study ecology and decided to _______his whole life to the science.
| A．ignore | B．devote | C．prefer | D．lead |
Recently our government policymakers are very _______about the rapidly rising food costs.
| A．upset | B．confused | C．concerned | D．conscious |
Disappointingly, the new computer, ________ he loves a lot, breaks down frequently.
| A．which | B．what | C．that | D．one |