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 greeted the teacher with “ hello”, and the teacher gave me a sweet smile ______.
| A．by turns | B．in return |
| C．in turn | D．for turn |
Do you know the trouble he had _____ the work?
| A．on finishing | B．to finish |
| C．having finishing | D．finishing |
A communicative satellite ______ as much as 3.5 tons was sent up into space last week.
| A．weighing | B．weighed |
| C．to be weighed | D．being weighed |
This is the first time we ______ a film in the cinema together as a family.
| A．see | B．had seen | C．saw | D．have seen |
What a table！I’ve never seen such a thing before. It is _______ it is long.
| A．half not as wide as | B．wide not as half as |
| C．not half as wide as | D．as wide as not half |