Do you know ______? Yes. It will take off at five.
A. when the plane will take off
B. when the plane took off
C. when will the plane take off
—How long will the summer English courses ?
—For six weeks.
| A．last | B．open | C．begin | D．start |
Smile to the world, the world will smile back to you.
| A．nor | B．but | C．or | D．and |
A person who will travel to a foreign country must carry a .
| A．dictionary | B．passport | C．ticket | D．notebook |
The beginning to the movie was boring, the end was amazing!
| A．but | B．and | C．so | D．or |
David, get up early, ______ you won’tcatch the early bus.
| A．but | B．and |
| C．after | D．or |