There are a small number of people involved, possibly __________ twenty.
| A．as few as | B．as little as |
| C．as many as | D．as much as |
It’s really difficult to ______ what he is trying to express.
| A．leave out | B．pick out | C．work out | D．make out |
This camera is of good quality. If it ______ break down within the first year, we would replace it with a new one.
| A．would | B．might | C．could | D．should |
As a green hand, he doesn’t know______ it takes to start a business here.
| A．when | B．how | C．what | D．which |
He is looking for a job, ______ where he can make the most of his talent.
| A．it | B．one | C．that | D．the one |
When interviewed, the family members of the victims said that they didn’t know what ______ without their loved ones.
| A．they expect | B．to expect |
| C．to be expected | D．to have been expected |