-- The classroom looks like a mess!

-- Yes, but who left the waste paper ______ around?

A. lie                   B. to lie                  C. lay                  D. lying

20. His parents were teachers in that school, _______ lost their lives in order to save

   their students in the earthquake. 

   A. none of them    B. both of them    C. none of whom   D. both of whom

 .Great changes______in the city and a lot of factories______.

A.have been taken place…h(huán)ave been set up   B. have taken place…h(huán)ave been set up

C. have taken place…h(huán)ave set up            D. were taken place…were set up

 .   The girl was made  _______    she didn’t love at all.

A. marry a man    B. to marry a man   C. to marry with a man   D. married with a man

. She is writing a letter to a friend of hers,     ___________     him to attend the meeting.

A. having invited           B. inviting              C. to invite                                  D. Invited

. Don't you remember   ___________        ?

A. seeing the man before              B. to see the man before

C. saw the man before                 D. to have seen the man before

Having a trip abroad is certainly good for the old couple，but

______whether they  will enjoy it.

    A．to see    B．to be seen    C. seeing    D．see

. The president, accompanied by his assistants, ______.

A. have arrived    B. are arriving     C. had arrived    D. has arrived

. One or perhaps more pages _______.

A. is missing    B. has been missed    C. are missing    D. was missing

.A beach house caught fire last night, ______seven students living in it.

A.to kill                          B. killing           C. having killed    D. killed