16．Please tell me how the accident_____. I am still in the dark.
| A．came by | B．came out | C．came to | D．came about |
Please tell me ________ you are getting on with your new classmates.
| A．whether | B．what | C．where | D．how |
—People should stop using their cars and start using public transport.
—________. The roads are too crowded as it is.
| A．All right | B．Exactly |
| C．Go ahead | D．Fine |
“Could we put off the meeting？” she asked.
“________.” He answered politely. “This is the only day everyone is available.”
| A．Not likely | B．Not exactly |
| C．Not nearly | D．Not really |
—Wow! It snowed last night. What a nice world!
—You're right. But it's more difficult to find my missing keys with snow________ the ground.
| A．covered | B．cover |
| C．to cover | D．covering |
With a lot of difficult problems ________， the manager felt like a cat on hot bricks.
| A．settled | B．settling |
| C．being settled | D．to settle |