—Allen, shall we go to the bookstore this afternoon?
— I'm sorry, David, but I ________ meet my cousin at the train station.
A.have to B.can C.may D.could
My People, My Country is ________ movie I've ever seen.
A.more educational B.the most educational C.educational D.less educational
In Chinese families, people won't start dinner ________ the elders take their seats.
A.after B.when C.because D.until
Teachers expect all their students ________ progress day by day.
A.to make B.make C.to take D.take
Please remember to ________ the electricity and water before you leave the laboratory.
A.take off B.shut off C.go off D.put off
You'd better not hang out after school ________ telling your parents. They may worry about you.
A.by B.with C.without D.after
