He realized his mistakes and took action to reduce the loss _______ it was too late.
A．until B．when C．before D．as
--The man in a black suit _______ be our youth worker.
--- I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.
A．must; can’t B．can; mustn’t C．can; could D．must; won’t
Of the seven days in a week, Saturday is said to be the most popular _______ for a wedding in some countries.
A．way B．situation C．choice D．chance
Peter tried on three jackets, but _______ of them fitted him.
A．all B．none C．both D．neither
---Is Mr. Xi Jinping _______ honest and capable man?
---Yes. And that is why he was chosen to be _______ president of our country.
A．a; a B．an; the C．the; the D．a; /
---Mary, it’s going to rain. Better take ________ raincoat with you.
---Well, but I can’t find ________ raincoat I put here yesterday.
A．a…a B．a…the C．the …a D．the…the
