——Must I come to see you again?——No, you _________.

— Who is absent from the lecture today? —_____________you ask? Peter, of course.

(2013·安徽安庆二模)—She looks very happy. She ________ have passed the exam.—I  guess so. It's not difficult after all.

You'd better take a heavy coat. Sometimes it ______ be very cold.

(2013·天津，9)No one________ be more generous；he has a heart of gold.