If I _____ that yesterday, I _____ them.

A. had discovered/ would inform

B. had discovered/ would have informed

C. had discovered/ could inform

D. discovered/ can inform

Look at the ......! Rain Bi looks so handsome.

A. advertise B. advertising C. advertisement D. advertiser

This book is very .......

A. inform B. information C. informal D. informative

We need further .......

A. inform B. information C. informal D. informative

They are .... - qualified teachers.

A. good B. better C. best D. well

They had an .... day by the river.

A. enjoy B. enjoying C. enjoyed D. enjoyable

Air pollution in the city had reached four times the _______ levels

A. accept B. acceptable C. acceptance D. accepting

At the .... to the village, we saw the accident.

A. enter B. entering C. enteric D. entrance

.... of clothes always goes up.

A. Selling B. Sell C. Sold D. Sales

The .... from Genoa enjoyed wearing jeans.

A. work B. workers C. working D. workaholic