—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
A、mustbe
B、musthavebeen
C、canbe
D、canhavebeen
__________ofthelandinthatdistrict__________coveredwithtreesandgrass.
A、Twofifth;is
B、Twofifths;is
C、Twofifth;are
D、Twofifths;are
I_________whenIwasayounggirl.
A、keptadiary
B、wroteadiary
C、madediaries
D、keptdiaries
下列指标中，反映企业资产负债和偿债能力的指标是______
A、销售利润率
B、速动比率
C、流动资产周转
D、总资产报酬率
E、社会积累率