World asthma day, which takes place on the first _______ of every ______ since 1998, is an annual event celebrated around the world to raise awareness of asthma.
A. Tuesday, May
B. Tuesday, June
C. Wednesday, May
D. Wednesday, June
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The common symptoms of asthma include _________.
A. wheezing
B. coughing
C. breathlessness
D. chest tightness
Common triggers of asthma include_________.
A. cigarette smoke
B. chemical irritants
C. pollen
D. air pollution
Please write down one word that shares the same meaning with“breathe in” : __________
Please write down one word that shares the same meaning with "breathe out” : __________
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