--Mom, may I play computer games just for a while?--______! Dad is writing his paper.
18._________is often the case, he didn’t study hard and failed to pass the test.
16.You can't imagine that a well-behaved gentleman__________be so rude to a lady.
15.--How about eight o'clock outside the cinema? --That________me fine.
14. With some books badly needed_________, she hurried to the bookstore.
12.So absorbed__________in her work that she didn't realize I was behind her.