It ________ have been Tom that parked the car here, as he is the only one with a car.[ ]

the Spring Festival, we will have a new term in March.

____he is only 8 years old, he knows more about science than his father.

ately , the adventurers brought the GPS withthemselves, they might have beenlost in the desert.

I don’t think we can find a new day towork out the problem.— But we’d better not .