21.It is clear that________little money he earns can hardly support________family as large as his.
A．the；a B．a；theC．/；a D．/；the
22．—What did you say to Julia？I saw her crying in the room.
—It________my fault.I played a joke on her when I met her.
A．must have been B．should be C．oughtn’t to be D．can’t have been
