It took a long time for the connection between body temperature and illness ___________.
#92721
A
to make
B
to be made
C
making
D
being made
推荐题目
 The reason why Malaysia Airline Flight370 disappeared remained_____.
#88645
A
look into
B
to be looked into
C
looking into
D
to look into
_____from the top of the mountain, the citizens find ____ the city is not _____it used to be.
#97624
A
Seen, that, what
B
See, what, that
C
To see, what, that
D
Seeing, that, what