_____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not completely kill all the viruses.
| A．A; a | B．The; / | C．/; the | D．A; the |
The weather turned out to be fine. Ithe trouble to carry my umbrella with me.
| A．needn’t have taken | B．wouldn’t have taken |
| C．won’t have taken | D．couldn’t have taken |
“It’s a secret….” he lowered his voice and whisperedno one could overhear it.
| A．in case | B．even if | C．so that | D．as if |
She was moving out of her old apartmentshe suddenly realized that the key to the new apartment wasn’t on her.
| A．until | B．once | C．when | D．before |
Aunt Mary is crazy about shopping. She must be snapping up the bargains in the department store during such a sale, ?
| A．mustn’t she? | B．isn’t she | C．needn’t she | D．doesn’t she |
customers, the company said the amount of the chemical in the shampoo products wouldn’t harm people’s health.
| A．Calming | B．Having calmed | C．To calm | D．Calmed |