There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.
How is your business _______recently?I haven’t heard from you for three months.
I’m glad to see the rapid progress ______in science and technology in the past decade.
When we plan our vacation , mother often offers______suggestions.
Once there was ______time _____people walked without shoes.
________ came that another spaceship Shenzhou VII was successfully lifted off in our couvtry.