There are five pairs _______, but I'm at a loss which to buy.
The teacher divided the whole class, which consisted ______ 40 students, into four groups.
I don’t want the children ______ out in such bad weather.
Would it be ______ for you to pick me up at four o’clock?
– Did Robson enter the field? -- Yes. He came on in ______ place of Wilkins ten minutes before the end of ______ game.
If it ______ tomorrow, our picnic _______ to be put off.