— Have you known each other for long?
— Not very long, ____ we started to work in the company.
| A．after | B．before | C．when | D． since |
It is high time for us to take measures to protect these old traditions and customs before they ___.
| A．die out | B．die away | C．die off | D．die down |
It is known that ________ medical examination helps people to find out health problems as early as possible.
| A．normal | B．general | C．regular | D．common |
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.
| A．who | B．which | C．what | D．that |
--- What do you think of the movie?
--- ________, the movie isn’t interesting enough, though lots of money has been spent on it.
| A．To be honest | B．That’s to say | C．Generally speaking | D．I’m not sure |
-- Do you need any help, Lucy?
--- Yes. The job is _______ I could do myself.
| A．less than | B．more than | C．no more than | D．not more than |