Every year a great number of foreign tourists pay a visit to _____ we Chinese call Heaven Lake.
| A．where | B．which | C．what | D．that |
—Jack, this is the third time that you have been late this week．
—Sorry, sir, but I was_____ for 15 minutes on the way here in the traffic jam．
| A．held up | B．put up | C．taken up | D．given up |
．The day before yesterday John was dismissed because of his _____ attitude towards his job．
| A．informal | B．casual | C．determined | D．earnest |
—Did you tell Jimmy that we’ve put off the meeting?
—No．He rushed out _____ I could say anything．
| A．in case | B．after | C．before | D．unless |
．—______ I lock the lab before I go home?
—Don’t bother．I’ll check it myself later．
| A．May | B．Must | C．Can | D．Shall |
．Interestingly in some parts of the world, women are expected to earn money _____ men work at home and raise their children．
| A．but | B．though | C．because | D．while |