It is typical of students to stay up ________ deepinto the night for the final exam

Last night,you forget _____off the computer when you went to bed.—– ReallyI remember _____off.

e of danger, we need to stay _______ Only inthis way can we come up with good solutions

What about my idea?—Very good! But not all people _______ the idea that money can bring everything.

Lily, _________ apple on the table is for you.—Thanks, Mum. _________apple a day is good for us.