It’s too hot. We should ____ the windows ____.
| A．take, open | B．keep, opening |
| C．keep, open | D．keep, opened |
Which of the following is the official mascot(吉祥物) of the 2014 FIFA World Cup?
Jenny, I can’t go hiking with you __________ I have to help my mum with housework.
| A．so | B．but | C．because | D．unless |
—___________ did you buy your e-dictionary, Frank?
—Two days ago.
| A．Why | B．When | C．How | D．Where |
—Thank you for the nice birthday present.
—_____________.
| A．It’s $ 10 | B．You’re welcome |
| C．Thanks a lot | D．No problem |
Aunt Sally has ________ children, two boys and two girls.
| A．fourth | B．forty | C．fourteen | D．four |