單項選擇題There are many cities()very fast.

A.expanded
B.expands
C.expand
D.expanding


您可能感興趣的試卷

你可能感興趣的試題

2.單項選擇題The population of the world is growing at a dangerous()

A.measure
B.rate
C.increase
D.progress

3.單項選擇題All kinds of vegetables()in the free market.

A.can buy
B.will buy
C.is bought
D.can be bought

4.單項選擇題The weather in Kunming is better than()in Beijing.

A.one
B.this
C.those
D.that

5.單項選擇題Certain measures should be taken to control environmental()

A.pollution
B.pollutant
C.pollute
D.polluting