In his book,he explains both ______ it means to be a scientist and ______ science works.
#73569
A
how; how
B
what; that
C
what; how
D
how; that
推荐题目
The children will climb the hill if it ________tomorrow.
#41161
A
won’t rain
B
didn’t rain
C
doesn’t rain
D
not raining
 He left Europe _____ World war II broke out.
#71966
A
during
B
the year
C
while
D
there