_______ the boy was walking down the street, the UFO landed.

_______ the boy was walking down the street, the UFO landed.

#55622

While

After

Before

until

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 Milk quickly goes bad in summer       it is in a fridge (冰箱).

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because

unless

When

There is going to ________a sports meeting next week. If it ________, we’ll have to cancel it.

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be; will rain

have; will rain

be; rains

have; rains

Most students watch TV three ____four times a week.

#56094

and

but

however

How time flies! It’s almost three years _______ we met last time.

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when

before

while

since

You won’t feel happy at school ___ you get on well with your classmates.

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