单项选择题

() they have the opportunity, many Americans take their vacations away from home.

A. However
B. Wherever
C. Whatever
D. Whenever

相关考题

This device looks simple enough, but () it is very comp...

单项选择题This device looks simple enough, but () it is very complicated.

A. on the surface
B. in appearance
C. as a rule
D. in fact go