Our success _________ whether everyone works hard or not．

lies down

leads to

depends on

results in

We’d better hurry．Our teacher _________ us．

wait for

must wait for

must be waiting for

has waited for

The teacher as well as the students _________ planting trees．

are

is

has

have

_________ is known to all, smoking is harm ________ our health．

As, for

As, to

It, for

It, to

_________ surprised me most was _________ Mary spoke Chinese just like a native speaker．

That, what

Which, that

What, that

That, that

Along with the letter was his promise _________ he would visit me on this coming Christmas．

which

that

what

whether

The difficulty which we had _________ with the local people has now been removed·

communication

to communicate

communicated

communicating

The surface of the table _________ smooth enough．

hash’t felt

isn’t feeling

doesn’t feel

isn’t felt

At last，we found ourselves in a pleasant park _________ trees providing shade(荫凉)and sat down to eat our picnic lunch．

for

from

of

with

Manufacturers should have professional productivity and technical knowledge to _________ the quality of the products．

predict

promise

guarantee

determine