-Wouldn’t it be ___ wonderful world, if all nations live in ____ peace with one another?-What _____ pleasure to live in _______ world!
We all believe that the project, if _______ according to plan, will definitely work out well.
After graduation, I’d like to find a job _______ I can use what I have learnt at school.
—Excuse me. I want to buy some milk, but I can’t find a supermarket. —I know _______ nearby. Come on, I’ll show you.
--Was it at 11 o’clock ________ your father came back last night? --Yes, he is always coming back so late.
James has just arrived, but I didn’t know he ________ until yesterday.