In fact the Sweden did not understand the three questions ____ were asked in French.
A. where
B. who
C. in which
D. which
实施科技与社会协调发展的重要条件是通过STS教育提高全民的STS意识和STS______
He didn't know which room ____.
A. they lived
B. they lived in
C. did they live
D. did they live in
用“格物致知”表述实践出真知的概念出自中国古代的《______》一书
微信支付 
支付宝支付