Now everyone is here．It is high time we ________ out．

A．started

B．is starting

C．will start

D．start

While there are many ________ programs on TV, people should not be spending ________ much time in front of their TV sets．

A．interesting; such

B．worthy; such

C．worthwhile; so

D．worth; so

He acknowledges ________ there．

A．to go

B．having gone

C．to have gone

D．having been

________ from the plane, the Great Wall looks like a long fence on top of the winding mountains．

A．To see

B．To be seen

C．Seen

D．Being seen

________ some officials, the general inspected the army．

A．Followed

B．Followed by

C．Being followed

D．Having been followed

________ others say, the professor is sure that his theory is correct．

A．No matter how

B．It doesn’t matter

C．Whatever

D．What ever

That was not a good place for skating．You ________ your leg．

A．can break

B．could break

C．could have broken

D．could have been broken

Grandmother would be happier－________ that we were all at her birthday party．

A．assume

B．assuming

C．assumed

D．to assume

Among these modern and beautiful mobile phones, you can ________ one according to your preference．

A．choose

B．select

C．pick out

D．pick up

________ time, he’ll make a first-class tennis players．

A．Having given

B．To give

C．Giving

D．Given