My toothache is killing me．I _____ it _____ away．But now it’s getting worse and worse．

     A．think; is going                   B．thought; was going         

         C．have thought; is going           D．had thought; had gone

I’m not sure whether I will have anything else to do this evening．_____, I will try every possible means to come to your birthday party．

     A．Even though           B．If so         C．Anyhow          D．Instead

Leaders of many countries have been trying to _____ what it is that makes China develop so fast in recent years．

         A．carry out        B．figure out      C．watch out      D．make out

．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

．—______ 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

—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

．The day before yesterday John was dismissed because of his _____ attitude towards his job．

     A．informal         B．casual             C．determined            D．earnest

—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

—Are you sure the delegation will come to our school next week?

—____________．The head of it has just emailed me about the departure time of their flight．

         A．No wonder             B．Definitely not           C．Don’t mention it       D．You bet

I am fortunate enough to get a job that I love and _________, I can walk to work within 10 minutes．

         A．what’s more      B．that is to say      C．as a result D．on the other hand