She ________ on her work so much that she didn’t notice that a crowd of people had _______around her.
| A．focused; focused | B．fixed; gathered |
| C．concentrated; concentrated | D．carried; collected |
The number of people invited ___ fifty, but a few of them ___ absent for different reasons.
| A．were; was | B．was; was |
| C．was; were | D．were; were |
—George is a wise person.
—But in my opinion, he is ___ than wise.
| A．cleverer | B．braver |
| C．more brave | D．less braver |
The roof fell ____ he had time to rush out.
| A．until | B．before | C．when | D．Since |
—I’m just phoning to wish you good luck in your exam tomorrow.
—___.
| A．Thanks. I can’t wait to go |
| B．Thanks. I can’t believe it’s been 5 years. |
| C．Thanks. We’re really happy! Everything went wonderfully |
| D．Thanks. We’re a bit worried about it actually |
They smiled continuously, _____ was said.
| A．no matter how | B．no matter when |
| C．no matter what | D．no matter where |