Have you finished the report?— Oh, sorry. It was so noisy in the office that I couldn’t ________ down to write anything.[ ]

China has a ______ population than England.

Do you know where David is? I couldn’t find him anywhere.—Well. He ________ have gone far-his coat’s still here.[ ]

Daming often goes swimming ____ two o’clock ____ Saturday afternoon.

yesterday，we went out for a wall