蓄电池夏季放电超过()时,应及时将蓄电池从车上拆下进行补充充电。
A. 15℅
B. 25℅
C. 50℅
D. 75℅
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– I'm sorry. Bob's not in his office. – ().
A: Can you take a message for me
B: Are you sure for that
C: Would you like to leave a message
D: Can you phone me
– Don't take too long at the coffee shop. It's 14:15. – ().
A: I'll think your advice over
B: I see. We have 30 minutes left
C: That's no problem
D: I'm afraid so
– When does the next bus leave for Glasgow? – ().
A: I've never been there
B: The next one is faster
C: They leave every hour
D: The city is far away
You()to exercise more.
A: should
B: ought
C: must
D: can