---There’s too much salt in the Chinese diet.
---So there is. The WHO says only 1.5 grams of salt __________ for each man every day.
| A．is needed | B．needs | C．will need | D．has needed |
Take a map with you while traveling ________ you have a guide or know the city well．
| A．since | B．if | C．unless | D．because |
The little girl is very shy. She _______ speak in public.
| A．dares not | B．dare not |
| C．doesn’t dare | D．dare not to |
My grandfather have an old house in _____ they have lived for 70 years.
| A．that | B．which | C．what | D．where |
---It _____ ten years since we _____ last time.
---Yes. How time flies!
| A．was ;meet | B．was ;met |
| C．has been; met | D．is ;meet |
---Why don't you go hiking today?
----I prefer ______ at home to ______out because the weather is too bad.
| A．staying ; going | B．stay ; go |
| C．to stay ;go | D．stay;going |