— How long have you been here？ — ______ the end of last month，
| A．In | B．By | C．At | D．Since |
Practice __________ English every day, and you will surely improve your spoken English.
| A．speaking | B．to speak |
| C．having spoken | D．to be spoken |
—It is better for you to lose weight by taking exercise every morning.
—I think your suggestion deserves __________.
| A．try | B．tried |
| C．to be tried | D．to try |
—I'm sorry, but I didn't mean __________ out your secret.
—But you know, letting out one's secret means __________ one's feelings.
| A．to let; to hurt | B．letting; hurting |
| C．to let; hurting | D．letting; to hurt |
Remember __________ the book when you have finished it.
| A．putting back | B．having put back |
| C．to put back | D．to have put back |
—Robert is indeed a wise man.
—Oh, yes. How I regretted __________ his advice!
| A．to take | B．to have not taken |
| C．taking | D．not having taken |