Environmental (Protect)... .. .. .. is everyone's responsibility.
A.protecting
B.protection
C.protectionist
D.protectionism

It has become (increase)....... ...difficult to find a job nowadays.
A.increasing
B.increased
C.increasingly
D.increasingful

If it doesn't rain soon, there'll be a great (short). . . . . . of water.
A.shorting
B.shortance
C.shortly
D.shortage

How can I know _____book is yours? They are so alike.
A.which
B.what
C.this
D.the

I wish you ______now. Can’t you stay a bit longer?
A.don’t have to leave
B.didn’t have to leave
C.hadn't to leave
D.hadn’t left

If we don’t _____on electricity, there will be power cut.
A.economic
B.economics
C.economical
D.economize

In this school, most_____ very hard.
A.of students work
B.students work
C.student works
D.of student work

He did not share his secrets with many people but _______he in her.
A.confided
B.confessed
C.concealed
D.consented

When she heard that bad news, she burst _______
A.into crying
B.out crying
C.crying
D.out to tears

l find the time of English meals very strange. I‘m not used to______ dinner at 5 pm.
A.to have
B.to having
C.having
D.have