__________seasonal rainfall is winds that blow in an opposite direction in winter than in summer.
A.Causing
B.That causes
C.To cause
D.what causes

I know it’s not a big corporation to work for- but it’s better to be__________.
A.other fish to try
B.a big fish in a small pond
C.a fish out of water
D.much more fish in the sea.

I can’t afford a new car this year. I’ll have to___________the one I have.
A.make amends
B.make ends meet
C.make do with
D.make light with

Choose the best answer to complete the sentences.
Certain _______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.
A.effect
B.emissions
C.gases
D.layers

Choose the best answer to complete the sentences.
A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing _______.
A.temperature
B.sea water
C.sea level
D.pollution

Choose the best answer to complete the sentences.
The clearing of land for agriculture, industry and other human activities have increased _______ of greenhouse gases.
A.concentrations
B.attention
C.lots
D.collections

Choose the best answer to complete the sentences.
The public praised the local farmers for _______ millions of trees on the surrounding hills.
A.plant
B.being planted
C.being planting
D.having planted

Tim: Do you work full time at the supermarket? Mary: No, only_________when they need extra staff.
A.on and off
B.in and out
C.by and by
D.up and down

The government is thinking of bringing__________ a law to make it compulsory for cyclists to wear helmets.
A.on
B.up
C.in
D.round

I would rather you____________me about your problem earlier so that we could find out solutions for it.
A.told
B.had told
C.tell
D.would have told