I recommended he ________ at school for another year, and then ________ to go to college.

[　　]

Father made a promise ________ I passed the examination he would buy me a bike.

[　　]

Lead ________ as a material for sculpture since the time of the early Greeks.

[　　]

When a pencil is partly in a glass of water, it looks as if it ________.

[　　]

What would have happened ________, as far as the river bank?

[　　]

A. Bob had walked farther

B. if Bob should walk farther

C. had Bob walked farther

D. if Bob walked farther

It is hard for me to imagine what I would be doing today if I ________ in love, at the age of seven, with the Melinda Cox Library in my hometown.

[　　]

A. wouldn't have fallen

B. had not fallen

C. should fall

D. were to fall

She _________ more than 16，since she still wore her hair in a plait．

[　　]

A．could not have been

B．mustn't be

C．mustn't have been

D．can't be

Mr Smith flew to New York this morning，his assistant _______ him there this Saturday．

[　　]

This is the girl who ran away from home the other day, ________ return her parents offered a reward of $ 2000．

[　　]

--I can't find my glasses Where ________ them?

--They are not on the the desk? Well, I ________ them right there.

[　　]

A. have you put; have put

B. did you put; put

C. have you put; put

D. did you put; have put