单项选择题

Historically, () main material for making tables has been wood, but()metal and stone have also been used.

A. the; 不填
B. 不填; 不填
C. the; the
D. 不填; the

相关考题

Mr. Green drove slowly on the way home until he reached...

单项选择题Mr. Green drove slowly on the way home until he reached the high way, () the speed limit was 60 miles per hour.

A. because
B. which
C. where
D. that

So far, several ships have been reported missing () the...

单项选择题So far, several ships have been reported missing () the coast of Bermuda Island.

A. off
B. along
C. on
D. around

Readers () can very smoothly without knowing the exact ...

单项选择题Readers () can very smoothly without knowing the exact meaning of each word.

A. get along
B. get over
C. get down
D. get through