---Can I help you?---Thanks. But I think the box is ______ heavy for you ______ carry.A. enough; toB. so; thatC. too; to
--What time does he ____ basketball? --At 8 o’clock
Sam is a _________ swimmer. He can swim very ________.
It’s an English class. Please don’t _________ Chinese.
— Can you speak English? — Yes, but only ___________.
Sam can sing English songs _________, but I can’t.