---Do you know_______ the books on the shelves?
--- Sorry, I can’t count them, because there are _______books.
A. a number of; the number of B. a number of; a number
C. the number of; a number of
—How much did you _____for the pen?
—Five yuan.It’s a bit expensive.
| A．cost | B．take | C．pay | D．buy |
—The shop is ______ on Saturday and Monday.
—I see.I’ll come here to buy a pen on Monday then.
| A．open | B．close | C．opened | D．closed |
—Which would you like，rice or noodles?
—________is OK.I’m hungry.
| A．Either | B．Neither | C．Both | D．All |
—Where ______cotton _____?
—Oh，I don’t know.Let’s ask Mr Wu.
| A．are，produced | B．are，grown | C．is，grown | D．are，made in |
—I don’t think it very expensive to buy a family computer here.
—Really? I’ll buy _____ next week.
| A．it | B．this | C．one | D．mine |