Good use___ the natural resources to improve people’s life in this area.
#103045
A
has been made of
B
has made of
C
has made
D
has been made
推荐题目
He______to several European counties so far.
#103236
A
was
B
has been
C
had been
D
will be
 — __ Betty this morning? — Not yet, but she is sure to be here before noon.
#104402
A
Have you seen
B
Will you see
C
Do you see
D
Did you see
He said that light ____ much faster than sound.
#100945
A
traveled
B
travels
C
is traveling
D
had traveled