I In a society full of challenges and opportunities, in my opinion, it is a must to have a good ______ of a foreign language.
| A．communication. | B．comprehension. |
| C．command. | D．competence. |
________ of being involved in the attempted murder, she was questioned by the police.
| A．Convinced | B．Suspected | C．Charged | D．Confirmed |
Though the situation is rather serious, financial leaders are still ______ about global economy.
| A．positive | B．negative | C．active | D．passive |
Do remember to be________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
| A．curious | B．thoughtful | C．considerate | D．cautious |
With everything she needed ________， she went out of the shop, with her hands full of shopping bags.
| A．buying | B．to buy | C．bought | D．buy |
You can use a large plastic bottle, ______ cut off, as a pot to grow flowers in.
| A．the top is | B．the top of which | C．whose top | D．with its top |