1 . After completing and signing it, please return the form to us in the envelope           .

A．providing

B．having provided

C．provided

D．to provide

2 . Most colleges now offer students a lesson ______ to help them succeed.

A．designed

B．designing

C．to design

D．being designed

3 . To return to the problem of water pollution, I’d like you to look at a study ________ in 2012.

A．conducted

B．conducting

C．being conducted

D．was conducted

4 . His visit _______ to strengthen ties between the two countries was a big success.

A．to intend

B．intended

C．intending

D．be intended

5 . It is one of the funniest things ______ on the Internet so far this year.

A．finding

B．being found

C．to find

D．found

6 . We finished the run in less than half the time ____.

A．allowing

B．to allow

C．allowed

D．allows

7 . The trees _____ in the storm have been moved off the road.

A．being blown down

B．blown down

C．blowing down

D．to blow down

8 . In 1938, Pearl S. Buck became the first American woman        the Nobel Prize for Literature.

A．winning	B．win
C．won	D．to win

9 . The players ________ from the whole country are expected to bring us honor in this summer game.

A．selecting	B．to select
C．selected	D．having selected

10 . The detective, ______ to be reading a newspaper, glanced at the man_____ next to a woman.

A．pretending; seated	B．pretended; seated
C．pretending; seat	D．pretended; seating