People have always been curious _________ how living things on the earth began.
| A．in | B．at | C．of | D．about |
They are too _______ for me; I prefer the plain ones.
| A．ordinary | B．fancy | C．imaginary | D．common |
—Are you still busy?
—Yes, I __________my work, and it won’t take long
| A．just finish | B．am just finishing |
| C．have just finished | D．am just going to finish |
“___________that again!” father shouted to me when I was found playing with fire.
| A．Never to do | B．Don’t never do | C．Do never | D．Never do |
—Beautiful day isn’t it? Let’s go out for a picnic.
—______.
| A．Sounds great | B．That’s all right | C．Good luck | D．Have fun |
—Poor Steve! I could hardly recognize him just now!
—________ . He has changed so much.
| A．Never mind | B．No problem | C．Not at all | D．Me neither |