_______ the street, don't forget to watch the traffic lights.
| A．While crossing | B．While crossed |
| C．While being crossing | D．While be crossed |
It’s a pity that his son was born ________ a weak heart.
| A．in | B．from |
| C．with | D．at |
I________ shy. Doing projects with others has helped me become outgoing (外向的).
| A．was used tobe | B．was used to being |
| C．usedto be | D．used to |
Peng Liyuan, First Lady of China invited Obama’s wife and his children to visit China March, 2014.
| A．a; on | B．the; in |
| C．a; in | D．the; on |
---I’ll try harder next time.
---You have said it one hundred times. But _____.
| A．the early bird catches the worm |
| B．a friend in need is a friend indeed |
| C．you can’t burn the candle at both ends. |
| D．actions speak louder than words |
---Boys, don’t swim in the Fengcheng River!
---Why not? Isn’t it deep enough _____?
| A．to swim across | B．to swim in |
| C．swim on | D．swimming on |