He hurried to the booking office only ________ that all the tickets has been sold out.
| A．to be told | B．to tell | C．told | D．telling |
—Can those ________ at the back of the classroom hear me?
—No problem.
| A．seat | B．sit | C．seated | D．sat |
Reading is an experience quite different from watching TV; there are pictures ________ in your mind instead of before your eyes.
| A．to form | B．form |
| C．forming | D．having formed |
—The last one ________ pays the meal.
—Agreed!
| A．arrived | B．arrives | C．to arrive | D．arriving |
If water becomes increasingly scarce in decades ________，water shortage will become a hot issue all over the world.
| A．coming | B．having come |
| C．to come | D．to be coming |
If there is a lot of work ________， I'm happy to just keep on until it is finished.
| A．to do | B．to be doing |
| C．done | D．doing |
To learn English well, we should find opportunities to hear English ________ as much as we can.
| A．speak | B．speaking | C．spoken | D．to speak |
A cook will be immediately fired if he was found ________ in kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |
—Excuse me，sir, where is Room 301?
—Just a minute.I'll have Bob ________ you to your room.
| A．show | B．shows | C．to show | D．showing |
To fetch water before breakfast seemed to me a rule ________.
| A．to never break | B．never to be broken |
| C．never to have broken | D．never to be breaking |