You shouldn’t keep silent when __________．
| A．speaking | B．spoken to | C．spoken | D．speaking t |
--- What have you learned from your experience in Japan?
--- Well, meeting people from another culture ___ be very difficult.
| A．must | B．can | C．should | D．shall |
According to the survey, modern industry_____ quickly in developing countries in the past half century.
| A．develop | B．has developed | C．had developed | D．developed |
Jack, together with his sisters,_____ great interest in writing these days.
| A．show | B．will show | C．are showing | D．is showing |
One advantage of fishing is ______ it can give you a lot of pleasure.
| A．how | B．why | C．that | D．when |
If you have a high fever, you should .
| A．eat a lot | B．throw up what you eat |
| C．eat some cold food | D．drink a lot of boiled water |