.The foreigners from the USA like Chinese dishes very much.
A.plates B.food C.fruit
—Listen ! Helen is singing in the next room.
It ____ be Helen. She has gone to Beijing.
| A．can’t | B．mustn’t | C．may | D．neen`t |
The presidents of China and the USA had ________ interview a short time ago.
—And it was ________ great success.
| A．an; / | B．the; a | C．an; a | D．the; / |
The children are having fun ________ on the playground.
| A．to play | B．play | C．playing | D．played |
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 |
.I was supposed ___ at 7:00 ,but I arrived at 8:00.
| A．arrive | B．to arrive | C．arrives | D．arriving |