In our school, the students have three_____ courses, and seven______ entrepreneurial education courses .
Humans are polluting the earth day by day, ________, of course, will cause punishment sooner or later.
You’d better cut your hair short. Our school doesn’t _______long hair.
—When can we make an appointment with you , sir ?—What about Wednesday afternoon ?—OK._______
The Internet is regarded as one of the reasons_______ many people aren’t getting enough sleep now.
Little Kate insisted she ______ badly injured and _______ to the hospital at once.