We are supposed to ___________a solution to stop people from looking down at their mobile phones while driving cars.
| A．come up with | B．come from |
| C．come out | D．come true |
The left-behind kids(留守儿童)can’t see their parents_________ the parents come back home from work.
| A．but | B．until | C．or | D．if |
---- Excuse me, could you please tell me ________?
---- Yes, there is a history museum.
| A．how often do you go to the history museum |
| B．are there any good museums in Kunming. |
| C．how long it takes to get to the history museum |
| D．if there are any good museums in Kunming. |
Teenagers should be encouraged to go ______and be close to nature.
| A．inside | B．back | C．outside | D．off |
----- Hey guys, Chinese way of _______the road is very dangerous. You must wait for the green lights on。
----- Thank you for your advice, sir.
| A．going | B．walking | C．crossing | D．passing |