Later she wrote us a letter, expressing her thanks to us for lending her_____ hand when she was in_______ trouble.
A. /, the B. a, / C. a, the d. /, /
In China, the number of cities is increasing _____development is recognized across the world.
| A．which | B．whose | C．where | D．that |
You have been working for hours. It’s no______ you are exhausted. Why not take a rest?
| A．doubt | B．wonder | C．need | D．sense |
Smith asked you to repeatphone numbersecond time so that he could set it down.
| A．the; the | B．a; the | C．an; a | D．the; a |
—Did you have a good time in Thailand last week?
—________，it was too hot．
| A．Not really | B．Yeah，why not | C．Oh, great | D．You're right |
—Where did you meet your middle school teacher?
—It was in the supermarket ______ I was doing some shopping with my son.
| A．that | B．where | C．when | D．which |