四道英语单选题1.It's windy and cold,so he is wearing a scarf ______

四道英语单选题
1.It's windy and cold,so he is wearing a scarf ______ his neck.
A.around B.on C.with D.in
2.( ) my book.It's too old.
A.Look B.Look at C.Have D.Have a look
3.What's the man ______?—I don't know.
A.talking B.waiting C.taking D.listening
4.His father wants to visit Japan _____ a fine morning.
A.in B.on C.of D.with
说下理由,