What ______ public is concerned about is whether medical workers and scientists will be able to find for this new disease in a short time.
— Any advice about this trip? — Well, no food is available on _____ island so make sure you bring _____ packed lunch and drink, as well as your camera and sunblock.
Until the noise of the bus , we were able to hear the program again.
The building is carefully designed so that everyone can leave the building safely if an accident.
Nowadays many parents from the countryside cannot afford to educate their children, because the schoolare too high.
We can’tagainst other countries in trade if we don’t develop our national economy(经济).