A.happensB.which is happeningC.which happeningD.which h……

单项选择题Sixty million people who（）in rural areas are moving to cities every year.

A.lived
B.lives
C.living
D.live

单项选择题I spent most of my money in the first week and（）had very little for food at the end of the holiday.

A.since
B.however
C.moreover
D.consequently

单项选择题He is trying to find a new way to（）a living. Which of the following is incorrect.

A.get
B.earn
C.take
D.make

单项选择题Several languages are likely to die（）

A.out
B.down
C.off
D.of

单项选择题Heat causes the（）of gas.

A.growth
B.increase
C.expansion
D.extension