_______ of the students will take part in the sports meeting.
| A．Three five | B．Three fives |
| C．Thirds fifths | D．Three fifths |
----Would you like to attend China's Got Talent (中国达人秀)?
---- ______ But I'm busy revising for my test.
| A．Don't mention it. | B．I'd love to. |
| C．That's all right. | D．My pleasure. |
—You aren’t a stranger, are you?
—______, don’t you remember______me at the school gate ten minutes ago?
| A．Yes; to see | B．No; seeing |
| C．No; saw | D．Yes; seeing |
Newton was playing under an apple tree ____ an apple fell onto his head.
| A．when | B．while |
| C．after | D．before |
Which of the diagrams below shows the air temperature of Beijing in a year?
______ great scientist Qian Xuesen is!
| A．How | B．How a |
| C．What | D．What a |