People have always been ________ about exactly how life on earth began.
| A．curious | B．excited |
| C．anxious | D．careful |
---You keep on coughing. What’s the matter?
---Oh, I’ve got a cold. Nothing serious, _______.
| A．yet | B．indeed | C．though | D．anyway |
---I’m sorry that I didn’t work out this problem.
---It’s _____our ability. I didn’t work it out, too.
| A．over | B．beyond | C．more than | D．above |
John received an invitation to dinner, and with his work ______, he gladly accepted it.
| A．finished | B．finishing | C．having finished | D．was finished |
— Is it OK if I take this seat?
—Sorry,___________.
| A．here you are | B．take it | C．it is taken | D．never mind |
With so many problems____ , the newly-elected president had a hard time.
| A．settled | B．to settle | C．being settled | D．was settled |