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【单选题】
— Help yourself to some more food.
— ______ , I am already full.
A.
OK
B.
Thank you
C.
No
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】无痛技术的局部麻醉方法主要包括
A.
局部浸润麻醉和阻滞麻醉
B.
局部浸润麻醉和牙周膜内注射
C.
阻滞麻醉和牙髓内注射
D.
牙周膜内注射和牙髓内注射
E.
牙周膜内注射和骨内注射
【单选题】You won't catch the train ______ you get up before 5 o'clock.
A.
when
B.
unless
C.
if
【单选题】It______ me about ten minutes to go to school by bike every day.
A.
pays
B.
costs
C.
takes
【单选题】Hardly ______ the classroom when the class began.
A.
had he entered
B.
he had entered
C.
he entered
D.
he was entered