He will have learned English for eight years by the time he ________ from the university next year．

will graduate

will have graduated

graduates

is to graduate

___________ with the size of the whole earth, the biggest ocean dose not seem big at all.

Compare

When comparing

Comparing

When compared

It was ________ back home after the experiment．

not until midnight did he go

until midnight that he didn’t go

not until midnight that he went

until midnight when he didn’t go

The three sisters decided to hold a family party to ________ their parents' silver wedding．

celebrate

memorize

congratulate

welcome

Most animals have little connection with ________ animals of ________ different kind unless they kill them for food．

the; a

不填; a

the; the

不填; the

I have reached a point in my life ________ I should make decisions of my own．

which

where

how

why

Although the used car seems in good ________, it cannot run too fast．

state

situation

occasion

condition

Your performance in the driving test didn't reach the required standard, ________, you failed．

in other words

in the end

after all

at the same time

After a new reform, the number of the products in the factory is now ________ it was in 2003．

three times as larger as

more than three times

twice as large as

as twice large as

Tom was about to close the window ________ his attention was caught by a bird．

when

if

and

till