Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.

Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.

#55993

only if

until

so that

even though

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He ran quickly all the way to school, ______ he was still late.

#57709

but

and

Is your washing machine ____________ working?

#55583

don’t

doesn’t

won’t

not

My father was preparing for his speech __ my mother was doing some washing last night.

#58386

while

unless

until

 —Happy Teachers’ Day! Here are some flowers for you. —      beautiful flowers they are! Thank you!

#55511

How

How a

What

What a

There are no buses,          you’ll have to walk.

#56964

but

for

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