Jack ________ yet, otherwise he would have telephoned me．

A．mustn't have arrived

B．shouldn't have arrived

C．can't have arrived

D．need not have arrived

Education is a lifelong process, ________ process that starts long before ________ start of school, and one that should be a necessary part of one's entire life．

A．a, a

B．a, the

C．the, a

D．the, the

Is ________ 48 hours ________ the man-made satellite ________ is made in our country to orbit the planet around?

A．it; that; where

B．it; when; that

C．it for; that it takes; that

D．it; that it takes; which

－Mary, don't you believe your sister?

－Yes．I believe ________ she says．

A．however

B．no matter how

C．whatever

D．no matter what

If you ________ the medicine, you ________ better now．

A．took, would feel

B．had taken, felt

C．had taken, would feel

D．took, would have felt

－How many chapters does the book have?

－It ________ three chapters．

A．consists with

B．consists of

C．including

D．is contained

All flights ________called off because of the terrible weather, they had to go there by train．

A．were

B．having been

C．being

D．had been

In no place other than Britain ________ experience four seasons in a single day．

A．you can

B．people can

C．can one

D．can it

It's high time that we ________ our work and ________ supper now．

A．stop; have

B．stopped; had

C．stop; should have

D．stopped; have

－Where have you been all day?

－We ________ some beautiful children and we couldn't get away from them until it was dark．

A．meet

B．have been met

C．met

D．have been meeting