There______ a number of natural mysteries in the world that even make scientists ______.
#76672
A
exists; confusing
B
are existed; confused
C
exist; confused
D
exist; confusing
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Chairman Mao to be unforgettable in the hearts of the Chinese people.
#80795
A
proved
B
regarded
C
thought
D
considered
I could just see a car in the distance, but I couldn't _____ what color it was.
#84090
A
look out
B
make out
C
get across
D
take after
French Foreign Minister Laurent Fabius on Monday ________ international support for his operation to help Mali quash Islamist rebels.
#64412
A
called up
B
called for
C
called out
D
called in