______ is _____ the students to find out the meaning and the usage of new words.
——Which of the two souvenirs do you like better?—— blue one.of course.I think it's really most instructive one.
—When are you leaving for Guangdong?—My plane at six.
well prepared you are,you still need a lot of luck in finding a suitable job.
—There's someone knocking on the door.Who it be?—It must be Mary.She promised to be here at 8:00.
—Did you enjoy your holiday?—Yes.it's the best holiday I these years.