The police set about arresting the suspect______ they found enough evidence to prove him guilty

The pilot asked all the passengers on board to remain ________ as the plane was making a landing.[ ]

Mona, _______ will it take to fly toGuangzhou —Sorry, I don’t know.

It was at the very beginning____ Mr Smith made adecision ___we should send for a doctor

John ______ playing basketball. He likes football.