The rise of oil prices made scientists search for new energy resources ______ oil.
#97714
A
replace
B
replacing
C
to replace
D
replaced
推荐题目
 The boy ________ a blue jacket is John’s brother.
#96733
A
wear
B
wore
C
wearing
D
wears
----Have you any letters _______, sir?---No, thanks. You may take a rest.
#96804
A
to type
B
to be typed
C
to be typing
D
typed
Who would you get ____  to the cinema with you?
#94066
A
gone
B
to go
C
going
D
go
 When the man came in, gun in hand, we all stood there, ________.
#88264
A
astonished
B
astonishing
C
being astonished
D
having astonished