-- ________ is this? -- It is black
—______ does he go to work every day?—On foot.
English is _______ important subject, so we must learn it well.
This is a nice watch. But she ______ only one hundred dollars for it.A, spent B. cost C. bought D. Paid
The box is too heavy .I can’t _____it
How long can I _______the book ? For two weeks .