Don't worry. Your watch ________ and you can have it in no time.

[　　]

A．is repaired

B．has been repaired

C．was repaired

D．is being repaired

My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.

[　　]

A．couldn't have attended

B．needn't have attended

C．mustn't have attended

D．shouldn't have attended

She must have sold her cotton to Mr Liu last Sunday, ________?

[　　]

I wonder why they haven't arrived yet . The traffic ________ them.

[　　]

A．can delay

B．can have delayed

C．may delay

D．may have delayed

--Why didn't you answer the phone last night?

--I must ________ when you called.

[　　]

A．sleep

B．be slept

C．have been sleeping

D．have been slept

--I heard they went skiing in the mountain last winter.

--It ________ true because there was little snow there.

[　　]

--Is John coming by train?

--He should, but he ________ not. He likes driving his car.

[　　]

My English-Chinese dictionary has disappeared. Who ________ have taken it?

[　　]

--John isn't here now?

-- ________ left by the back door?

[　　]

--When can I come for the photos? I need them tomorrow afternoon.

--They ________ be ready by 12:00.

[　　]