I have to see the doctor because I ________ a lot lately'

have been coughing

had coughed

coughed

cough

The aim of the project is to encourage students to ________ new ideas on networks．

figure out

let out

try out

make out

It's ________ you deal with difficulties ________ shows ________ you are really like．

what, that, what

how, that, what

how, what, that

how, which, what

The school rules state that no child shall be allowed out of the school during the day, ________ accompanied by an adult．

once

when

if

unless

A conventional artist of this period was not interested in showing nature and people ________ they really were．

what

where

which

as

Henry Clay Frick, ________ rich New Yorker died in 1919, leaving his house, furniture and art collection to ________ American people．

the,/

a, the

a,/

the, the

________ we go to a concert, but much more often to the theatre．

Particularly

Deliberately

Occasionally

Slightly

During the war, our army often used letters with feather attached to ________ urgent messages．

translate

measure

transform

deliver

The doctor recommended that you ________ swim after eating a large meal．

wouldn't

couldn't

needn't

shouldn't

Had you listened to the doctor, you ________ all right now．

are

were

would be

would have been