—What do you think of the lesson?—This is _____ interesting lesson and it is also _____ useful one.A. an; an B. an; a C. an; the
__________ good advice the teacher gave me!
The traffic was busy on our way to the train station, _____ we caught the train on time at last.
Listen! Can you hear them _______ in the next room?
If Nancy __________ the exam, she will go to the USA for English study.
The fruit should be well ______ during summer