Johnsonwas________unknownbeforerunningforthepresidency.
D
A 显然，明显地 B 外表上，直观地 C 垂直地，直立地 D 实际上，事实上
Childrenhaveanatural________abouttheworldaroundthem.
The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.
Thereisagrowingbodyofevidencetosupportthefactthatmostpeoplesufferfromalackofdaydreaming_______anexcessofit.
If payment is not received, legal action will be our only ________.
I was writing a report last night; ________ I would not have stayed up late.