ne depends on other fields for basicinformation, particularly some of their specialized branches

27In the absence ____ necessary exercise, he can get ill easilySo he is often absent ___ class

The people began to break the windows, but the police soon had the situation ________

The government has had to _______ with the opposition party on the new regulation, which will come to effect next month.

I am very worried about tomorrow’s chemistry test. I’ m afraid I can’t pass this time.— ! I’m sure you’ll make it.