I was watching TV the lights went off.
| A．when | B．while | C．as | D．for |
Bring a map of China because you _______ want to travel around.
| A．may | B．must | C．need | D．can |
--- do I need to feed the pet dog? ---Twice a day.
| A．How long | B．How much | C．How soon | D．How often |
We don’t understand the passage ______ there are few new words in it.
| A．and | B．if | C．though | D．Because |
Would you like ________ now, John?
| A．sweet anything eat | B．sweet anything to eat |
| C．something sweet eating | D．something sweet to eat |