2 . They didn’t begin to celebrate until they knew their victory was ________.

A．symbolic

B．recent

C．quick

D．secure

3 . By providing the bees with a           home, the villagers collect their honey in return.

A．humble

B．vital

C．secure

D．constant

5 . Water _____ out of pipes; burning gas flared into the sky; the bombed transformers cut the electricity of the district; a school and a hospital were also hit.

A．blanketed

B．secured

C．gushed

D．burned

6 . “Martha, I hope you didn’t _____ your bridges,” Maria said. “I think I would have handled it differently.”

A．blanket

B．secure

C．gush

D．burn

7 . A thick, dark layer of smoke is _____ much of Los Angeles and the cause of the fire is unknown.

A．securing

B．ensuring

C．blanketing

D．burning

8 . At last, he got a good job and felt secure about the future.

A．adj. 安心的

B．adj. 安全的

C．vt. 获得

D．vt. 拴牢

9 . It is hard to ________ how many children suffer from dyslexia — a slight disorder of the brain that causes difficulty in reading and spelling.

A．secure

B．estimate

C．assist

D．collapse

10 . In the curling (冰壶) final, Britain tied 4-4 in the 10th end to force an extra end, ________ Sweden scored one single point to ________ their victory.

A．which; ensure

B．while; greet

C．when; secure

D．where; seal