They arrived________Shanghai very late last night.
There are so many beautiful bags. I don’t know ________ first.
—I find ________ hard for me ________ the work in such a short time.—I’m afraid not, but you can try your best to do it.
—Where is Mr. Wu? I haven’t seen him for several days.—He ________ America and he ________ from his home since last week.
—How long have you learned English?—So far, we ________ English for more than six years.
Timmy likes Chinese very much. He can’t stop ________ it every day.