—Thank you for your help, Mr. Smith. I’ll hand in my paper tomorrow.
—______. You may send it to my mailbox 3 days later.
| A．No hurry | B．With pleasure |
| C．Come on | D．Nothing serious |
Clean water and fresh air are essential for our daily life, _______ we can’t live.
| A．by which | B．without which | C．that | D．on which |
— Thank you very much for helping me to solve the problem.
— _____.
| A．Don't mention it | B．With pleasure | C．That's right | D．You said it |
In my view, realizing ______ great renewal of the Chinese nation is _______ Chinese nation's greatest dream in modern history.
| A．the；the | B．a；the | C．a；不填 | D．the；a |
Across the Yangtze River _____ more than one bridge, the Nanjing Changjiang Bridge being the first one.
| A．lay | B．lie | C．lies | D．laid |
I have no idea ______ measures the government will take to stop the air from being further polluted.
| A．which | B．what | C．that | D．whose |