问题

No one knows for certain how the first Americans arrived in _____ is now the United States.

A:which
B:what
C:where
D:why;

正确答案是：

同类题型

The new administration has promised people to ______ administrative expenses by ten percent next year. [ ]

It ____ that making a plan is easier thancarrying it out

I can’t say which type of tea tastes better. It’s justa ______ of personalpreference.

I was so familiar with her that I recognized her voice ______ I picked up the phone

It’s ________ nice day, isn’t it–Yes, whatfineweather!