—She looks very happy.She_______have passed the exam.—I guess so.It’s not difficult after all.
Most of the teachers ______ to visit our school were young ones.
—Do you like rock music , Ann ? — ________ . It’s too noisy to me .
The writer ___ his writing so that he forgot to have his lunch.
The girl looked at me with a _______expression. Maybe the problem was quite ______.
Electric trains have now _______ steam trains in England.