A good teacher must be able to hold his students’ attention ____ he reaches the end of the class.
| A．when | B．after | C．until | D．unless |
When asked about this major traffic accident, the policeman said it should not have _________ if the driver hadn’t been speeding.
| A．come out | B．come about |
| C．come across | D．happen |
--- Let’s dine out tonight. How about Chinese food? Or Maybe Italian? And how about Japanese Sushi?
--- _________.
| A．Well, whatever | B．Neither will do |
| C．At your service | D．It is |
Being able to speak another language fluently could be a great ___when you are looking for a job.
| A．advantage | B．chance | C．help | D．importance |
It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes.
| A．shall | B．should | C．can | D．would |
His first baby was born soon after he got married, which seemed to have ___his sense of responsibility.
| A．brought down | B．brought out | C．turned down | D．turned out |