This is a very big company. It has workers. Do you want to work here?
A. five thousand
B. five thousands
C. five thousands of
—_______have you visited Nanjing? —Three times.
| A．How often | B．How many times | C．How long | D．How soon |
He ________be at home because the light in his room is on.
| A．must | B．can’t | C．can | D．mustn’t |
We ________ our hands while they were singing on the stage.
| A．clap | B．have clapped | C．were clapping | D．are clapping |
—Have you ever ________ to the Great Wall? —Yes, I _______ there last autumn.
| A．gone; went | B．gone; have been |
| C．been; went | D．been; have been |
The words _________ by Miss Li are marked ________ red.
| A．are written; in | B．written; in |
| C．are written; with | D．written; with |