Most students think this book is useful as it _______ all the basic grammar rules they need to know.
#65768
A
deals
B
covers
C
says
D
teaches
推荐题目
When   the future, many people will imagine a life    high-tech devices.
#70898
A
thinking of, full of
B
thought about, full of
C
thought of, filled with
D
thinking about, filled with
Wastes from the factory ______the water pollution in this area. 
#72065
A
resulted from
B
paid off
C
paid back
D
resulted in