---Can I help you?---Thanks. But I think the box is ______ heavy for you ______ carry.A. enough; toB. so; thatC. too; to
—Have you seen book on the desk?—Is it English book? I saw it just now.
There is _____ interesting on this channel. Please try a different one.
Is it important ________us __________ learn English well?
I don’t know when Kitty ___________ tomorrow, and please give this message to her when she _________________.
I can’t decide _____.