I am not [certain]whether he will come.

[单选题]John was busy, ______he could not come.A.butB.thereforeC.andD.nor

[单选题]I am often asked whether I regret __________my PhD project.A． no to finishB． not have to finishC． having not finishedD． not having finishing

[单选题]6． Bob _______come．A． sure toB． sureC．isD．is sure to

[问答题]I’m certain he’ll go to see the film, because he’s bought a ticket.

[单选题]If I am not _____ when you come to my office, ask for my secretary.A.suitab

[主观题]Iam_______tobelievethathewon‘tcomebacktoseehiswifeagain.A.inclinedB.puzzledC.accompaniedD.performed

[单选题]4．I am afraid he is no longer ________ ．A．aliveB．liveC．livingD．lives

[试题]H．e said that he __________(come) back in five minutes.

[单选题]He seemed in such an inconsolable state that I didn’t know whether-to leave

[问答题]()I'm certain he'll go to see the film,because he's boughta ticket.