If you are in trouble，Mike is always willing to________a hand.
| A．lend | B．shake | C．wave | D．want |
— _________, this math problem seemed quite simple to me, but when I tried to work it out, I just couldn’t.
— There are always things like this, I think.
| A．On one hand | B．In my opinion | C．At first sight | D．On its own |
For more than 20 years, we’ve been supporting educational programs that ______ from kindergartens to colleges.
| A．spread | B．move | C．shift | D．range |
My colour TV set is only one year old and it is still under _____.
| A．repair | B．safety | C．control | D．guarantee |
— Can you help me with the maths homework, mom?
— You can’t always ____ other’s help for your homework. Do it by yourself this time, Dear.
| A．wait on | B．rest on | C．insist on | D．turn on |
This kind of plant is ______ to the changes of the temperature. So you should keep it from freezing.
| A．available | B．valuable | C．sensitive | D．creative |