Many of them turned a deaf ear to his advice , ________ they knew it to be valuable．

as if

now that

even though

so that

Only when you do it yourself ________ it more difficult than it is expected．

you will find

will find you

did you find

will you find

________ of the land in that district ________ covered with trees and grass．

Two-fifth; is

Two- fifth; are

Two-fifths; is

Two-fifths; are

One way to learn English better is to gain _______ knowledge of the culture of English speaking countries．

/

the

a

one

That hero who died in the war was so brave that he never ________ to the enemies until death．

gave up

gave out

gave in

gave away

All the doctors in the hospital insisted that he ________ badly wounded and that he ________ at once．

should be; be operated on

were; must be operated on

be; was operated on

was; be operated on

Every minute is made full ________ of ________ our lessons well．

to use; study

use; studying

use; to study

used; studying

The number of the students who attended the meeting yesterday ________ more than 400．

was

were

will be

has been

At the sight of the policeman ________ from behind the door．

did the boy rushed out

rushing out was the boy

out rushed the boy

the boy was rushing out

It is uncertain ________ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it．

that

whether

how

what