一Excuse me,may I ask you a question?一Sure,________ .A.go ahead B.you’d better not C.I hope so
—As a teacher, we can’t be _______ patient with our students.
It’s believed that our moods are sometimes _______ by colours.Many scientists are doing research on this subject.
Don’t be crazy about computer games, ________ you will fall behind others in study.
—How about _______ party? —Cool! It was really ______ great fun! Pity you weren’t there.
You needn’t worry about _______food to eat this evening.