1 Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
| A．puzzling; puzzled | B．puzzled; puzzling |
| C．puzzling; puzzling | D．puzzled; puzzled |
Dark glasses can _____ your eyes ______ the sunlight.
| A．prevent; from | B．save; from | C．stop; from | D．protect; from |
We didn’t have much difficulty _______ the company.
| A．found | B．to find | C．in finding | D．find |
I'll never forget the day _________ I was born．
| A．when | B．that | C．on which | D．both A and C |
Although the number of competitors ___ limited, a number of our classmates ___ eager to take part in it.
| A．are; are | B．are; is | C．is; are | D．is; is |
We don’t need to do __ extra work this evening. The day’s work was almost at __ end now.
| A．/ ; an | B．an; an | C．the; the | D．the; / |