单项选择题
—Susan, go and join your sister cleaning the yard.—Why it's ______ John sat there and did nothing.
单项选择题 —Tom, you make bed before breakfast, ______—All right, mum.
单项选择题 If that idea was wrong, the project is bound to fail, ______ good all the other ideas might be.
单项选择题 He is sometimes strange, so I can't ______ his thoughts.