. When they came to the center of the forest, the visitors found
themselves ____ ___ by wildlife.
| A．surrounding | B．surrounded | C．to surround | D．surround |
． Knowledge of English is a must in international trade.
| A．the | B．/ | C．A | D．An |
This new type of TV set is very thin, and it is than a one-hundred-page book.
| A．less | B．not thinner | C．no thicker | D．no thinner |
. In order to learn the of the family business, Bill took a job as messenger boy in one of the offices.
A. ins and outs B. dos and don’ts C. heads and tails D t’s and i’s
Jack’s brother is than him.
| A．old; elder | B．elder; older | C．old; eld | D．elder; younger |
Shelly had prepared carefully for her English examination so that she could be sure of passing it on her first .
| A．intention | B．attempt | C．purpose | D．desire |