Mr Smith became angry with me after I _____made the same mistake in physics class [ ]

The man，suspected _____ having stolen the jewels of the shop，was missing last night，although he was watched over by the police[ ]

Michael would like to travel _______ the world insteadof staying _______ home during the winter holiday.

I don’t suppose Tom has told you the news, _______?

Why are the two students standing at the gate of the teachers’office?—They________to each other in class and________.[ ]