Night ________ (fall), we hurried home.

I wonder if he could get it ________ (do) before tomorrow.

Matter is the name ________ (give) to everything which has weight and occupies space.

He refused to tell us whether he ________ (undertake) the job.

How long ________ they ________ (dig) the ditch?

he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.

The director recommended that she ________ (study) more English before going abroad.

“Have you moved into the new flat? ” “Not yet. The rooms ________ (paint). ”

He fell asleep immediately last night; he must ________ (be) very tired.