What lesson China can draw from ____ financial crisis (金融危机) in the United States has become _____ hot topic in Beijing..
We’ll have to race the clock to complete the work on time.
So much progress _____ in the past few months that she now has no difficulty in making herself understood in English.
Much to my, I’m unable to accept your kind invitation.
—Shall we hang out tomorrow morning? — ________ I’ll save the morning for my essay.
-- Isn’t that Ann’s husband over there? -- No, it ________ be him. I’m sure he doesn’t wear glasses.