_________? She’s both pretty and cheerful. Which is wrong of the following questions?
Can you make sure ________ he will come here today, Linda?
—What should we do to prevent H7N9 bird flu?—We must from crowded places.
—It’s a long story, but you will find that there are few new words in it .—Good! it will be too hard for children.
Which is _____ difficult, this one or the other two?
—The plane is leaving right now, but Jim hasn't arrived yet.—Well, he said he _____here on time.