He is determined to devote himself to ___ the country.
| A．serve for | B．serve | C．serving for | D．serving |
Faced with all the difficulties, the girl ____ her mother for comfort.
| A．turned over | B．turned from | C．turned to | D．turned up |
The International Maths Summer Camp was held in Wuhan,____ the top students in maths from all over the world.
| A．bringing back | B．bringing together |
| C．which brought around | D．gathering around |
The meat tastes as though it ____ bad. Throw it off.
| A．go | B．goes | C．had gone | D．has gone |
The manager always put ____ of his workers before__________.
| A．the interests; his own | B．interest; his |
| C．the interests; himself | D．the interests; him own |
Not until ____ finished my homework ___ to watch TV.
| A．I had; I began | B．had I; I began | C．I had; did I begin | D．had I; did I begin |