Milk bottles need cleaning thoroughly before they are used again , they?
| A．don’t | B．mustn’t | C．needn’t | D．aren’t |
He explained to the class what he suggested ____ his idea ____．
| A．to make, accepted | B．making, agreed to |
| C．should make, receive | D．make, passed |
Nancy, ________ for about half a year to apply for a job as an airline hostess, finally took a position at a shopping center.
| A．struggled | B．having struggled | C．struggling | D．to struggle |
John as well as the other staff members who ______ working with this world-famous company ______ to attend its 100th anniversary.
| A．is… is | B．is… are | C．are… is | D．are… are |
It is nice to see millions who had nothing but a record of misery and hungry ______ to improve their life and living conditions.
| A．having the chances | B．have the chance |
| C．to have the chance | D．had the chance |
With the Internet use ______ in the world, companies like Yahoo and Google are hunting harder for deals.
| A．exploded | B．having exploded | C．being exploded | D．exploding |