题目内容
You must ______________ a helmet.
[ ]
A. has
B. have
C. having
D. had
B. have
C. having
D. had
B
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相关题目
1. People feel sick in winter because it's _____________.
[ ]
A. warm
B. cold
B. cold
2. If you have a cold you will feel _____________.
[ ]
A. tired
B. happy
B. happy
3. If your temperature is higher than 37℃, you will _____________.
[ ]
A. have a cold
B. have a fever
B. have a fever
4. If you are sick, you must _____________.
[ ]
A. see a doctor
B. go to school
B. go to school
5. _____________ is good for you when you're sick.
[ ]
A. Drinking hot water
B. Drinking cold water
B. Drinking cold water