On account of fuel supplies being finite and many people being wasteful, we will have to install ________ solar heating device in our home.
| A．some type of a | B．some types of a | C．some type of | D．some types of |
Math is_______ mathematics.
| A．short for | B．in short | C．short | D．shortage |
Mary wanted to travel around the world all by herself, but her parents did not___her to do so.
| A．forbid | B．allow | C．follow | D．ask |
—You look tired.
—Yes. I _____ non-stop until twelve o’clock.
| A．hasn’t been working | B．wasn’t working | C．was working | D．didn’t work |
After that he didn’t feel hungry _____.
A no moreB any moreC no longerD some longer
I hope to give him a valuable birthday present, but I _______ money at present.
A am short ofB went short ofC am short forD went short for