He didn't pass the final examination.He（）it.

143 In which of the following scope management processes is the scope management plan prepared？

A. Initiation

B. Scope planning

C. Scope Definition

D. Scope change control

E. Scope verification

His parents _______ the US for ten years.

A、have been

B、have gone to

C、have been to

D、have been in

Such problems ()()() as soon as possible.

A、 have solved

B、 have been solving

C、 have to solve

D、 have to be solved

A.did,have

B.have,had

C.will , have

D.do, have

A.I have it

B.I have one

C.I have

D.I certain have

I’m sorry ______ my temper．

A.to have missed

B.to have omitted

C.to have lost

D.to have dropped

I have no idea who stole his wallet. It ______ anyone.

A. could have been

B. should have been

C.must have been

I have no idea who stole his wallet. It _____anyone.

A. must have been

B. should have been

C. could have been

A.Have; would have

B.Had, would have

C.Did; have

D.Has; could have

We ___ the time to play chess.

A、don’t have

B、not have

C、no have

D、does have

We must put _____ into practice.

A、that we have learned

B、what we have learned

C、that have we learned