My teacher told us ________ in the streets.
| A．not to play | B．don’t play |
| C．to not play | D．to play |
—Excuse me. You mustn’t use mobile phones. Please look at the sign _______.
—Oh, I’ m sorry! I didn’t see it.
－Can you tell me _______ to travel to Dalian?
－About two hours by plane.
| A．how much it costs | B．what I should take |
| C．how long it takes | D．which is the best season |
－So many problems! I’m too tired.
－You should try to _________ them by yourself. You’re not a child any longer.
| A．deal with | B．lay out | C．talk back | D．pass by |
—According to a research, smoking is bad for our health.
—Yes, especially for teenagers. Students _______ to smoke.
| A．should be allowed | B．shouldn’t allow |
| C．shouldn’t be allowed | D．should allow |