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It was necessary ________  this question as soon as possible.

• of us to solve

• for us to solve

•  for us solving

•  of us solve

She hardly watches the news on television and ________ .

• neither am I

• I do, either

• so do I

• neither do I

You ________ forget to pay the rent tomorrow. The landlord is very strict about paying on time.

• mustn’t

• don’t have to

• needn’t

• couldn’t

 Tom is getting ever keener on ________ research on biology.

• making

• doing

• having

• getting

I can’t keep waiting for you. I have ________ time.

• little

•  a little

• few

•  a few

Hung is ________ to ride motorbike to school.

• not old enough

• old not enough

• enough old not

•  enough not old

Microwave ovens are cheap and they use ________ electricity than electric ones.

• much

• more

• little

• less

Hydroelectric plants are expensive to build and affect the environment ________ stopping fish from moving freely.

• from

• by

• of

• on

Lan and I had a trip to Vancouver last weekend and we really  ________ there.

• made ourselves

• helped ourselves

• loved ourselves

•  enjoyed ourselves

You can volunteer by ________ children from poor family in your community.

• talking

• singing

• encouraging

•  tutoring