Mr. Black must be worried about something. You can________it from the look on his face.
单项选择(每题1分) She opened the window, _____ in some fresh air.
单项选择(每题1分) My computer is _____ in need of repair because it doesn’t work at all.
单项选择(每题1分) —Tomorrow is Christmas! —_____? We have no holiday anyway.
单项选择(每题1分) We must think twice _____ we make the final decision.
单项选择(每题1分) The stones each _____ as much as two tons.