David’s father is a doctor Beijing International Hospital.
A. inB. atC. on
My mother is English teacher
A. aB. anC. the
I ____ you to buy tickets first if you want to travel in August.
| A．advice | B．advise | C．ask | D．tell |
If a fat person wears a dark color, it will make him look ____.
| A．slim | B．slimer | C．slimmer | D．more slimmer |
Sometimes the police wear casual clothes to ____ special tasks.
| A．carry off | B．carry on | C．carry with | D．carry out |