If he had been wise he _____his business and turned it over to someone else. [ ]

ook didn’t come back at the usual time lastnight. ______, he met some friends and stayed out until midnight.

We all want to know who can________the physics problemYou know，it’s very difficult．

In the office I never seem to have time until after 5:30 pm, _____ many people have gone home.

Remember yourbed in the morning.