George developed a kind of new computer－________ will be popular with large companies．

Which

What

It

As

Dr．Zhou is said ________ abroad when he was in his twenties．

to have studied

to study

to be studying

to have been studying

I hardly ________ his voice on the phone since we haven’t seen each other for ten years．

known

heard

realized

recognized

You needn’t take the ________ to take the weight-loss pills; exercise would work out very well for you．

chance

risk

turn

time

In the office I never seem to have time until after 5∶30 p. m., ________ many people have gone home．

whose time

that

on which

by which time

Robert is considering ________ next since he doesn’t like the present job．

what doing

doing what

what to do

how to do

Who do you ________ be sent there for a further study?

know

think

suppose

suggest

By using both ears one can tell the direction ________ a sound comes．

in which

from which

with which

through which

It was a pity that the great writer died ________ his works unfinished．

for

with

from

of

I have two boys but ________ of them likes sweets．

both

neither

either

none