Audiences were greatly ______ by the video class about weightless conditions _____ in Tianggon-1 space station. 
#12405
A
impressing; presenting
B
impressed; presenting
C
impressing; presented
D
impressed; presented
推荐题目
He tried to make up ______the lost time ______staying up late.
#14547
A
with...with
B
with...by
C
for...with
D
for...by
---- My brother is not good at speaking English.---- I suggest         English for two hours every day.
#13507
A
he practice speaking
B
him to speak
C
he speaking
D
his practicing to speak
About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.
#14337
A
two dozen; before
B
two dozens; that
C
two dozens of; before
D
dozens; that