Children get HIV by receiving infected blood transfusions or, ________, through birth．

A．in Jane’s case

B．as in Jane’s case

C．in case of Jane

D．with Jane’s case

Tom came to China in 1982, by ________ time he had learnt to speak very good Chinese．

A．what

B．that

C．whose

D．which

In Shenzhou VI, Chinese astronauts aren’t only spaceship drivers, ________ machine repairers and scientists．

A．but

B．or

C．and

D．so

Reading E-books is a new way to spend time．So a lot of people like the idea of being able to read on crowded trains ________ there isn’t even space to open a book．

A．where

B．that

C．which

D．when

The little man arrested by the police was ________ of robbing the woman of all her money．

A．charged

B．accused

C．informed

D．sue

－Good evening, Mr．Pierce．I’m sorry to bother you．But it’s the fourth of December today．

－Oh, Mrs Baxter, ________ rent！I’m sorry it’s late．I’ll write you ________ check right now．

A．the; the

B．a; a

C．a; the

D．the; a

In face of challenge for the moment, it’s the most important to ________ a good state of health．

A．keep away

B．keep up

C．keep on

D．keep in

________ the days when we lived a miserable life．

A．Away

B．Gone are

C．Going are

D．There is

The reason why she was upset was ________ her son didn’t pass the final exam．

A．that

B．so

C．why

D．because

Li Lei ________ his homework, for he went to the river to go swimming with his friends a few minutes ago．

A．should have finished

B．must have finished

C．would have finished

D．could have finished