You may lead the horse to the river, but you _____ make it drink.
| A．couldn’t | B．can’t |
| C．mustn’t | D．needn’t |
Some wild animals are in danger ________ the loss of living areas.
| A．as | B．since | C．because of | D．because |
——How old is the baby boy?——He is an ________ boy.
| A．8 months old | B．10 month old | C．8-month-old | D．10-month-old |
There is ________ sheep eating grass there.
| A．a little | B．little | C．a few | D．few |
Beijing is ____ largest city in China.
| A．the second | B．a second | C．second | D．a |
The children are ____when they hear the ____news.
| A．exciting,exciting | B．exciting,excited |
| C．excited,exciting | D．excited,excited |