When did the classroom have a power cut?
This morning,while we ________ a physics lesson.( )
A.have hadB.were having
C.are havingD.will have
—What did our geography teacher say? —She told us that the earth _____ around the sun.
()He hardly goes to school by car, _________ he?
----________________? ----He’s very fine. Thank you.
--I can’t solve the math problem because it is too difficult. What should I do? -- _________ ask the teacher for help?
— ? —I like action movies.