--I usually go there by train.

--Why not _______ by boat for a change?

[　　]

A. to try going

B. trying to go

C. to try and go

D. try going

--The light in the office is still on.

--Oh, I forgot ________ .

[　　]

A. turning it off

B. turn in off

C. to turn it off

D. having turned it off

Now new theme parks are being built _______ the world.

[　　]

_______ the two brothers have in common is that they have the same parents.

[　　]

Visitors can go on exciting rides ______ they can feel _______ it is like to do the things _______ they have seen their heroes do in the film.

[　　]

A. which, how, that

B. where, what, which

C. where, how, which

D. where, what, what

Sorry, sir. We don't allow _______ at our gate.

[　　]

New Disney Parks have ______ in Europe and Asia. The number of the parks is increasing.

[　　]

--What do you _______ bungee jumping and other adventure sports?

--Quite exciting.

[　　]

If you need money or anything, let me know, ______ you?

[　　]

_______ the teacher's direction and ______ my classmates's help, I was able to finish the work on time.

[　　]