Windows 7 was created in 2009, many computer lovers were interested and excited.
| A．when | B．where | C．why | D．which |
The samples__________in quality but were general acceptable．
| A．varied | B．changed | C．disagreed | D．Exchanged |
Cleaning women in big cities get _____ by the hour.
| A．pay | B．paying | C．paid | D．to pay |
What makes the space shuttleis that it takes off like a rocket but lands like an airplane．
| A．exceptional | B．strange | C．unique | D．rare |
---What did you discuss just now?
---We discussed .
| A．when could we meet at Xinhua Bookstore |
| B．where we would have a wonderful outing |
| C．whether we will have a barbecue during May Day |
| D．who is suitable to be the host of the charity |
---It looks heavy. Can I give you a hand?
---___________.
| A．No, thanks | B．Yes, my pleasure | C．No, never mind | D．Yes, I do |