My teacher was very conscious________his bald head. A. of B. with C. about D. for

If you want to find these titles, look them up in the__________ A. reference B. index C. catalogue D. directory

The soldiers received commands from_________one-eyed general. A. a B. an C. very D. the

I could__________a note of panic in his voice. A. desist B. detest C. detect D. deter

Thousands of people use the _______ of footpaths across these hills. A. gird B. network C. circuit D. channel

We couldn't fly________because all the tickets had been sold out

A. economical B. economy C. economic D. economics

Before a long journey, people normally take their cars to service stations to________.

A. keep the oil refill

B. make the oil refilled

C. have the oil refill

D. get the oil refilled

Why are you so ........ of his work? He's just doing his best.

A. critic B. critical C. criticize D. criticism

Life always needs a lot of ......

A. innovate B. innovator C. innovation D. B&C

They are working ....., so we are .....

A. effective, satisfactory B. effectively, satisfactory

C. effectively, satisfied D. effective, satisfied