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
ThedivisionofEnglishintoOldEnglish,MiddleEnglish,andModernEnglishisnonconventionalandnotarbitrary.
Younger children are curious ________ how things work ，and many of them want to take apart everything within their reach.
Iaskedhimto________meafewminutessothatwecouldgooveralltheproblems.
The thief took away the woman ’s wallet without ________.