Oil prices have risen by 32 percent since the start of the year, a record us$ 57.65 a barrel on

Mr. Li is not here, and you’d better call him ____3 p.m. ____ 5 p.m. tomorrow.

Jack seems _______ than you ______ ready for the exam.

______ the students were when they heard the good news!

.____the meeting should last two days or three days doesn’t matter