Either he or I ____ to attend the massmeeting this evening

It is well known to all that water, ______ enough, can change into ice quickly

What’s wrong with you, Eric You look tired.—I ________ to prepare for the final exam lastnight.

30. — Whyyou be talking so loudly while others are studying?– I am terribly sorry.

We’ll have a school trip next week.—–That sounds _____. I’m sure we’ll have a good time there.