发动机无异响,在高、中、低速时运转均匀是项修理的验收条件之一。
参考答案:错
Xiaoyong ______ the watermelon on the bike yesterday. [ ]
A. carry
B. carried
C. carries
— Would you care for a cup of coffee?
— I ________ one. Thank you just the same. [ ]
A. had
B. have had
C. would have
D. will have