Every year, _____people go to visit their factory
A. a thousand of B thousandsC. thousand of D. thousands of
If you meet some new words, you can ______ in a dictionary.
| A．look it up | B．look up it | C．look them up | D．look up them |
—Jenny, you have got the first prize in the competition. Congratulations!
---- _______.
| A．That’s my good luck | B．Oh. it's nothing | C．Thank you | D．You can do it, too |
Her daughter began to play _____piano when she was five. Now she's very good at it.
| A．an | B．a | C．the | D．/ |
Have you read the book _____ is about the moon?
| A．what | B．it | C．/ | D．which |