I send you 100 dollars today, the rest ________ in a year．

A．follows

B．followed

C．to follow

D．being followed

－Is Bob still performing?

－I'm afraid not．He is said ________ the stage already as he has become an official．

A．to have left

B．to leave

C．to have been left

D．to be left

All these gifts must be sailed immediately ________ in time for Christmas．

A．in order to have received

B．in order to receive

C．so as to be received

D．so as to be receiving

More than a dozen students in that school ________ abroad to study medicines last year．

A．sent

B．were sent

C．had sent

D．had been sent

Months ago, we sailed ten thousand miles across this open sea, which ________ the Pacific, and we met no storms．

A．was called

B．is called

C．had been called

D．has been called

－Is it good to look up every new word when I come across it in reading?

－No．You ________ because you are likely to guess the meaning from the context．

A．can't

B．mustn't

C．don't have to

D．ought not to

－Could I have a word with you, mum?

－Oh dear, if you ________．

A．can

B．must

C．may

D．should

－Must I turn off the gas after cooking?

－Of course．You can never be ________ careful with that．

A．enough

B．too

C．so

D．very

If it were not for the fact that she ________ sing, I would invite her to the party．

A．couldn't

B．shouldn't

C．can't

D．might not

According to the art dealer, the painting ________ to go for at least a million dollars．

A．is expected

B．expects

C．expected

D．is expecting