It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
I wasn’t complaining. I expressed my surprise because I had never seen this happen in that case before.
| A．mostly | B．rarely | C．nearly | D．merely |
In 1979, Adrian was so badly affected by his wife’s death the he tried to drown his sorrow with alcohol.
| A．drown | B．accumulate | C．settle | D．announce |
Bending down, he the footprints that hadn’t been blown away in the wind, concluding that they belonged to a wolf.
| A．ignored | B．inspected | C．expanded | D．defended |
The kitchen is often the busiest room in a household, so it’s important to make sure it well.
| A．smoothes | B．functions | C．pays | D．measures |
Though your status is permanent, your identification card is only for 20 years and has to be renewed regularly.
| A．valid | B．convenient | C．temporary | D．secure |