It was in the street _______ I met one of my friends yesterday.
| A．how | B．that |
| C．which | D．when |
The way he did it was different _______ we were used to.
| A．in which | B．in what | C．from what | D．from which |
.I told Sally how to get here, but perhaps I ________ for her.
| A．had to write it out | B．must have written it out |
| C．ought to have written it out | D．ought to write it out |
Some of the doctors are paid almost ______ as the nurses.
| A．twice as much | B．much as twice | C．as much twice | D．as twice much |
. The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting | C．being polluted | D．polluted |
If you keep on, you will succeed ________.
| A．in time | B．at one time | C．at the same time | D．on time |