______ to collage this year, We must study harder than ever before .
| A．Go | B．Going | C．Gone | D．To go |
-Hello! Is Mr. John in the office?
-Yes. But I'm sorry. He is busy __________ and can't speak to you.
| A．at once | B．at present |
| C．at the end | D．at first |
The government declared that it would __________ an end to some unfair policies the next month.
| A．make | B．bring. |
| C．take | D．come |
_________ last term we had finished our experiments.
| A．At the end of | B．By the end of |
| C．In the end of | D．At an end |
It's surprising that your brother __________ Russian so quickly-he hasn't lived there very long.
A. picked upB. looked up
C put on D.made up
“It’s such a nice place.” Mother said as she sat at the table __________ for customers.
| A．to be reserved | B．having reserved |
| C．reserving | D．reserved |