The man sat there ________ in thought．He thought ________ about the matter．

deep;deep

deeply;deeply

deep;deeply

deeply;deep

It is dangerous to drive ________ through crowded streets．You’d better drive ________．

with speed;at a low speed

with a speed;at low speed

at speed;with a low speed

at high speed;with low speed

Who ________ the repairs of these damaged desks and chairs?

is in the charge of

pay for

is responsible for

is answered for

The Great Wall ________ from west to east, over mountains, through valleys, across deserts and at last into the sea．

made its way

winds its way

is making its way

finds its way

________ supports the proposal．There is still argument over the practical use of the new technology in this field．

None of the scientists

Not all the scientists

Every scientist

Not every scientist

________, there was a doubt whether the construction was worth supporting．

At a time

At one time

At times

At other times

He was told that it would be at least three more months ________ he could recover and return to work．

when

before

since

that

Police are now searching for a woman who is reported ________ since the flood hit the

area last Friday．

have been missing

have got lost

be missing

get lost

Customers are asked to make sure that they ________ the right change before leaving the shop．

will give

have been given

have given

will be given

The police haven’t found the missing child．The family doubt whether their son ________．

murdered

has murdered

has been murdered

is murdered