Everybody in the house woke up when the burglar alarm ______ .
A.came about
B.went out
C.went off
D.rang off

If you put your money in a bank now, you may get 12% _______annually.
A.interest
B.income
C.profit
D.money

The doctors know that it is very difficult to save the patient's life, _______they will try their best.
A.but
B.despite
C.however
D.although

In making remarks, he _______to understatement.
A.aligned
B.intended
C.inclined
D.declined

Thanks to the invention of labor-saving _______, domestic chores are no longer a burden.
A.devices
B.equipment
C.things
D.furniture

They are conducting a wide ______ _ of surveys throughoutVietnam.
A.selection
B.collection
C.group
D.range

I regret going to the cinema. I wish I ____________.
A.would not go there
B.haven't gone there
C.hadn't gone there
D.didn't go there

The widespread use of pesticides and herbicides has led to the _______of groundwater in many parts of the world.
A.corruption
B.contamination
C.poison
D.infection

_______for farming purposes, soil must contain the minerals plants require.
A.To be good
B.Be good
C.Being good
D.That's good

Some kinds of birds are on the _______of extinction.
A.side
B.edge
C.tip
D.brink