Many teenagers say that _____ they have a lot of friends, they really have no best friend

In order to achieve and guarantee basic human rights, equality of opportunity is __________. [ ]

“ Isn’t that Tom playing basketball?” “ It ______ be; he fell off the ladder yesterday and got badly hurt.”

Could you give me a ride to the railway station? I’m going to be late.— I’ll take the nearest route. You ________ be in time for the train.

Busy _______ he was, he managed to spare some time to help plan the project.