--- How long ____ in Beijing? --- For just the weekend. I’ll be back for work next Monday morning.
| A．have you stayed | B．are you staying | C．did you stay | D．do you stay |
With a lot of difficult problems ______, the newly-elected president is having a hard time.
| A．settled | B．settling | C．to be settled | D．to settle |
Hong Kong is famous ______ a shopping heaven where you can buy things of high quality and with a reasonable price.
| A．for | B．as | C．by | D．of |
Eating too much fat can______ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．come across | D．focus on |
Teenagers are damaging their health because they often ______ themselves to so many electric products.
| A．equip | B．absorb | C．devote | D．expose |
Born into a family with three brothers, David was to value the sense of
sharing.
| A．brought up | B．built up | C．picked out | D．put forward |