I am writing to express my _______ for the safety of children travelling on school buses, especially those on high-risk and highway-speed routes.
| A．attention | B．emotion | C．affair | D．concern |
She don't know how she ____ the first couple of months after her husband’s death.
| A．got over | B．got through | C．given up | D．gave away. |
Keep an optimistic and positive attitude — Don't put yourself to any _____
| A．mood | B．impression | C．effect | D．bother |
It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.
| A．which; which | B．that; that | C．that; which | D．which; that |
After he retired, he keeps on taking exercise to kep fit______a good diet.
| A．except | B．in addition to | C．but for | D．other than |
Passengers are ______to look out of the window when the train is moving.
| A．forbidden | B．kept | C．prevented | D．banned |