______ , the car stopped all at once.
| A．Seeing a boy lying on the ground |
| B．On seeing a boy sitting on the ground |
| C．The driver saw a boy standing on the road |
| D．The instant the driver saw a boy seated on the road |
–I could not start my car this morning due to the cold weather.
--No wonder you were late. You ___ have used mine. I was not using all the morning.
| A．should | B．must | C．could | D．might |
Only by reading more books improve your reading skills.
| A．you can | B．can you | C．do you | D．you do |
A person who likes to others is definitely not easy to get along with.
| A．leave out | B．pick on | C．let off | D．turn up |
The vegetables grown in this district are much better than ____ in that district.
| A．/ | B．that | C．ones | D．those |
_______ no buses , we have to walk home
| A．There were | B．There being | C．It was | D．It being |