单项选择题

Hydrogen is the fundamental element of the universe ______ it provides the building blocks from which the other elements are produced.

A. so that
B. but that
C. in that
D. provided that

<上一题目录下一题>

热门试题

单项选择题

Doing your homework is a sure way to improve your test scores, and this is especially true ________it comes to classroom tests.

A. before
B. as
C. since
D. when

单项选择题

There comes a time in every man's life ________.

A. then he has to think
B. which he needs
C. when he has to think
D. therefore he has to work hard

相关试题