This new kind of chemicals will help keep the air, soil and water________ from pollution.
| A．free | B．empty | C．loose | D．short |
I think Tom will ________ a good leader, so I'm going to vote and support him.
| A．make | B．remain | C．get | D．grow |
Let us fight against the trouble ________.
| A．face to face | B．shoulder to shoulder |
| C．side by side | D．B and C |
The professor combines different ________ in the same speech.
| A．techniques | B．technique |
| C．technical | D．technology |
Uncle Tom ________ an interesting story for the children.
| A．made from | B．made out |
| C．made up | D．made of |
I thought her to be nice and honest ________ we met.
| A．first time | B．for the first time |
| C．the first time | D．for the last time |