17.(2026南通一模) — some extra money is found, the library will be closed.
—Don’t worry. The government is giving a hand.
A. Unless B. Since
C. While D. Although
18. Your personal information (steal) easily unless you are more careful on the internet.
19.(2026扬州一模) 除非公交车很拥挤，否则乘客们迫不及待地上车。


unless conj.
除非；
如果不
时态
主句是一般将来时、祈使句或包含情态动词时，从句用一般现在时表示将来
用法
引导条件状语从句，unless后面不接否定词
· You should apologize to her unless you want to lose the friendship. = You should apologize to her if you don’t want to lose the friendship.
口诀助记
见到unless想if not，主句将来从现驻。

17. A 18. will be stolen 19. Unless the bus is crowded, passengers can't wait to get on the bus.(答案不唯一)

“张雪机车”夺冠 In the past, most Chinese brands were too weak 1. (compete) in top motorcycle races, and not good enough 2. (win) world competitions.
In March, 2026, French rider Valentin Debise made history in Portugal. He rode a ZXMOTO motorcycle and won two races. No

1. to compete 2. to win

语法点1:enough和enough to的用法
enough用在复数名词或不可数名词之前。“be + adj. + enough+to do sth”表示“足够……做某事”。
Chinese brand had been able to do this before. ZXMOTO’s founder, Zhang Xue, has enough 3. (experience) to develop new racing motorcycles with his team. This great achievement shows China’s industrial strength is powerful enough 4. (break) the old industry barriers and prove our own ability in the world.

3. experience 4. to break