Do you think Maths __________useful subject?

Sarah made ________ to the airport just in time to catch her plane this morning.

students took part in our school sports meeting last week.

I’m glad you’ve come back from the United States. Please tell me how long you ____there.

What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don’t’ know _______ of them.