单项选择题
A.circumstances B.operation C.case
Accordingtolaw，taxableservicesrefertotransportation，（）f...
单项选择题According to law， taxable services refer to transportation，（） finance， insurance and the like.
A.operation B.construction C.introduction
Thatisthereason（）we’velostsomanycustomers.A.whyB.thatC....
单项选择题That is the reason（） we’ve lost so many customers.
A.why B.that C.which
Mabblyistargetedin.（）A.helpingclientstounderstandthePRw...
单项选择题Mabbly is targeted in .（）
