75.Is ____ necessary to complete the design before National Day?
—How much vinegar did you put in the soup? —I’m sorry to say, ____. I forget.
We hope to go to the beach tomorrow, but we won’t go ____ it’s raining.
Stop making so much noise ____ the neighbor will start complaining.
He was sentenced to death _____ what he has stolen from the bank.
--- You haven’t been to Beijing, have you? -- _____. And how I wish to go there again!