His movie won several awards at the film festival, ________ was beyond his wildest dream．

which

that

that

it

If you aren't interested in the subjects your teachers suggest, you can ________ some of them．

enjoy

drop

leave

prove

The manager of the company told us that very little ________ was made of the waste material in the past．

cost

value

use

matter

________ the Internet is of great help, I don't think it's a good idea to spend too much time on it．

If

Because

Although

As

Last week, only two people came to look at the house, ________ wanted to buy it．

none of them

both of them

none of whom

neither of whom

Let's paint one side of the paper red, and ________ side black．

the other

another

the others

one another

Such ________ medical equipment is in ________ danger of breaking down, if not taken good care of．

a ; the

a ;/

/; the

/;/

Being a good listener is a kind of quality and that’s _________ it takes to keep friendship．

how

what

which

where

We should not sacrifice(牺牲)environmental protection to _________ economic growth．

concentrate

promote

purchase

contribute

When returning from work, _________．

John found a letter in the mailbox

a letter was found in the mailbox

a letter was lying in the mailbox

the mailbox had a letter in it