We have done things we ought not to have done and_____ undone things we ought to have done.

We have done things we ought not to have done and_____ undone things we ought to have done.

#103904

left

leave

will leave

leaving

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—Jane, have you finished yourpaper?     —No, I      my sister with her homework all the morning.

#102934

help

have been helping

helped

was helping

You’d better not phone the manager between 7 and 8 tomorrow evening; he ________ an important meeting then.

#104744

will have

would have

will be having

will have had

______ of danger in the street at night, she had to go home, with a friend _____ her.

#101448

Warned ; accompanied

Warning; accompanying

Having warned; accompanied

Having been warned; accompanying

------You’ve left the light on.------Oh, so I have. _____________to turn it off.

#100496

I’ll go

I’ve gone

I go

I’m going

— It is said that another new car factory＿＿now. — Yeah. It ＿＿one and a half years.

#104432

is building； takes

is being built； will take

is built； will take

is being built； takes

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