Jack is late again. It is _____of him to keep otherswaiting.[ ]

Bob like playing ____ football, but I like playing ______ violin.

I’d like to study math at university _____my cousin prefers geography[ ]

The staff of the school ______to the expert’s lecture．for they feel interested in it．

Daddy, do you believe I can swim ______ to catch up with Ben! —Great, dear! But I don’t have ______ to watch your match. I hope to hear your good news.