—It’s such a beautiful day． Why not have a picnic with us?
—_____． But I have a lot of homework to do．
| A．Don’t mention it | B．It’s up to you |
| C．I have no time | D．I’d love to |
Three million _______ a large number. You can make it _______.
| A．are; small | B．is; smaller |
| C．is; small | D．are; smaller |
Over fifty countries _______ the AIIB(亚投行) so far.
| A．joined | B．was joining |
| C．had joined | D．have joined |
—Excuse me, madam. Could you please tell me _________ the bus arrives?
—Sure. At 9:00.
| A．where | B．when | C．why | D．how |
We stopped _________, but there was not any sound.
| A．to listen | B．listens |
| C．listen | D．listening |
Nancy, sweep the classroom, _______?
| A．don’t you | B．do you |
| C．will you | D．doesn’t she |