Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
we will do is to leave a note to tell Mum we will be back late.
| A．Whether | B．What | C．That | D．How |
They hurried to the train station, it was too late. They had to wait another ten minutes.
| A．but | B．so | C．and | D．or |
Cathy went to the hospital alone. If she had told me about it, I with her.
| A．had gone | B．would have gone | C．would go | D．went |
If we sit near front of the bus, we’ll have better view.
| A．不填；the | B．the; 不填 | C．a; the | D．the; a |
The Christmas gifts need to be ready next Friday.
| A．by | B．of | C．in | D．at |