It’s cold outside. ______ your sweater before you go out.

We are revising our maths notes the exam next week .[ ]

What’s in your hand, Linda? —-A new book about Mo Yan. I _____ it ____ my friend.

I find _______ necessary to take some warm and dry clothes with us during the walk.

What bad weather! It’s raining again.—–Yeah. We have to ______our school trip.