Tom, before you buy the expensive coat, please think about ______ you can afford it. A. that B. when C. whether
---Could you tell me ______? ---About two weeks.
David may wonder ______ yellow was the colour of rulers in ancient China.
______ Millie ______ Billy is patient with children. I think they can make excellent teachers.
World War II ______ in Europe in 1939 and ended in 1945.
Jane arrived home ______ her children were watching TV last night.