The present situation is very complex, so I think it will take me some time to ________ its reality．

make up

figure out

look through

put off

I suggested that we ________ the meeting till next week．

would put off

might put off

had put off

put off

Though they met for the first time, they talked ________ they were good friends．

even if

as if

even though

if only

Having walked in the desert for several days, we felt exhausted, but we had to find a pool before the water we had in the bottle ________．

ran out of

ran away

ran out

ran off

This midterm examination paper ________ two parts was so hard that few students could pass it．

made out of

made from

made up of

made in

It is clear that nobody feels like ________

teasing

teased

being teased

being teasing

Having taken our seats, ________．

the professor began the lecture

the lecture began soon

we were attracted by the lecture soon

the bell announced the beginning of the lecture

There are many old trees in our school, each ________ about 100 years ago．

dates from

dates back

dating from

dating back

Everyone has periods in their lives ________ everything seems very hard．

where

when

which

that

When you’ve finished with that book, don’t forget to put it back on the shelf, ________?

will you

must you

don’t you

do you