Question

you open the window, please?( very polite request)
a) Can
b) Should
c) Would
d) Will
Petrol prices have gone up again. I
start travelling by the metro.( necessity)
a) must
b) should
c) can
d) might

swim across the English channel.( ability)
a) used to
b) can
c) have to
d) should
The boys were catching butterflies. Change into passive voice)
a) Butterflies are caught by the boys.
b) Butterflies had been caught by the boys.
c) Butterflies being caught by the boys. d) Butterflies were being caught by the boys.​

Answer 1

would

must

can

(b) Butterflies had been caught by the boys.

Answer 2

Answer:

Can you open the window,pls?

Petrol prices have gone up again.I must start travelling by the metro.

I can swim across the English channel.

Butterflies were being caught by the boys.

Explanation:

Hope it helps.

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