Without the friction (摩擦力) between feet and the ground, people would ______ be able to walk. 
#12185
A
in no time
B
by all means
C
on any account
D
in no way
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In the past ten years, the ________mountain climber _________ a lot from his own adventurous _______
#14183
A
experienced; experienced; experience
B
experience; experienced; experiences
C
experienced; has experienced; experiences
D
experience; has experience; experience