题干
We are planning a trip ______ France? Would you like to join ______ us?
A：to; in
B：for; /
C：in ; with
D：to; /
答案(点此获取答案解析）
D
We are planning a trip ______ France? Would you like to join ______ us?
A：to; in
B：for; /
C：in ; with
D：to; /
为△ABC的内角，则下列函数中一定取正值的是（ ）
