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Disadvantages of cycling
We should wear bicycle _____. when riding.
helmet
We should never ride too fast, if we are ________ ,we may get hurt.
We should wear________ clothes
when riding at night.
['ke?l?s]
['lait'k?l?d]
['helmit]
careless
light-colored
Word formation
useless adj.
use v.
→
useful adj.
careless adj.
care v.
→
careful adj.
helpless adj.
help v.
→
helpful adj.
Listen to 1a and complete the sentences.
We should never ride ______ _____.
We should wear bicycle ________ when riding.
We should have _______ on the bike or wear _____________ clothes while riding at night.
We should learn more ______ ______.
1b