Pierre Curie stopped his research and _______ Marie in the search of an unknown material.
#71268
A
attended
B
joined
C
took part in
D
joined in
推荐题目
It was hunger that his great-grandfather amd grandfather _________.
#73151
A
died of
B
died out
C
died down
D
died away
The ground is slippery. Hold onto the rope and don’t .
#68063
A
put off
B
turn up
C
let go
D
take apart
Only through constant practice can the ability of using a foreign language be _______.
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A
earned
B
acquired
C
gained
D
achieved