—Volunteering is becoming ___________ popular in China.
—Yeah, people are now aware that helping others is helping themselves.
| A．naturally |
| B．successfully |
| C．splendidly |
| D．increasingly |
I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision, ______?
| A．didn’t I | B．hadn’t they | C．didn’t they | D．isn’t it |
--- I rang you at about ten, but there was no reply.
--- Oh, that was probably _____ I was seeing the doctor.
| A．for | B．why | C．when | D．how |
Have you ever found _____ flash drive has no enough space? Better replace it for ____ bigger one.
| A．the; the | B．a; a | C．a; the | D．the; a |
Wang Feng’s _________ our school at the English speech contest proved to be a success.
| A．will represent | B．to represent | C．representing | D．represented |
Do you think it _________ to argue with them? The question is not worthy_________.
| A．worth; discussing | B．worthwhile; to be discussed |
| C．worthy; to discuss | D．worth; to be discussed |