________ basic firstaid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known |
| C．Knowing | D．Being known |
About _______ of the surface of the earth _______ covered with water.
| A．three quarter, is | B．three quarters, has | C．three quarters, is | D．three quarter, are |
It will take _______ time to finish the work.
| A．one and a half years’ | B．a year and half |
| C．one and a half year’s | D．a year and half’s |
--- How long will your stay here ?
---For ________ .
| A．one and two day’s | B．one and two day | C．a day or two | D．one or two day |
When he moved to Germany in ______ , he was already in _______ .
| A．the fifties; his sixties | B．fifties; his sixties |
| C．the fifties; his sixty | D．fifty; sixty |
My brother lives in ______ on ______ floor.
| A．six Room ;second | B．Room six ;the second |
| C．Room six; two floor | D．the room six ; the second |