How about Jack ? 

My father ______ a good doctor．

[　　]

A．suggests Jack

B．considers Jack

C．knows Jack

D．believes Jack

I hope to get my wife ______ on the next trip to Europe．

[　　]

A．to have come along with me

B．to come along with me

C．coming along with me

D．with me to come along

Is the new machine very easy ______ ?

[　　]

A．to be run  　　　　B．to operate

C．to be operated 　　D．to operate on

A good teacher must know ______ in teaching．

[　　]

A．the way of strictness and flexible

B．to be both strict and flexible

C．to have both strictness and flexibility

D．how to be both strict and flexible

How long ______ ?

[　　]

A．did you suppose it does last

B．you suppose it lasted

C．do you suppose it lasted

D．you suppose did it last

- Tom, you’ve got some ink on your face．

- Oh, so ______．I’d better go and wash it off．

[　　]

A．do I　　　　 B．I have

C．have I 　　　D．I do

His mother looks young, but ______ fact she is in ______．

[　　]

A．as a…her forties　　　 B．in…the forty

C．in…her forties 　　　　D．as matter of…the forty

Developing a good attitude about tests ______ great importance．

[　　]

A．are of 　　B．is of

C．are at 　　D．is at

The question sometimes comes to my mind ______ it was worth the effort．

[　　]

A．whether　　 B．if

C．if only 　　D．that

The aeroplane flew across ______ Pacific Ocean and very soon we got to the U．S．A．

[　　]

A．/ 　　B．the　　C．a 　　D．another