The effect of the medicine on this kind of disease remains ________.
#11544
A
seen
B
to be seen
C
seeing
D
to see
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—How dangerous it was!—Yes, but for the passer­by's quick action, the girl ________.
#11070
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
 People are puzzled ________ they read the book.
#14363
A
the first time
B
at the first time
C
for the first time
D
at first