_________ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
A．As B．With C．When D．Because
－Mom’s gift? She _______ have chosen a better one for me.
－She must be very happy to know it.
A．should B．might C．couldn’t D．mustn’t
Everybody said it was an ideal marriage; no one had ever known ______ couple.
A．the happier B．a happier C．a happy D．the happiest
Soccer is the most truly international team sport, but there’s still some question _______ whether it should be called a game or open warfare.
A．due to B．in addition to C．as to D．owing to
In order to __________ a good command of German, she quitted her job and went to study in Germany.
A．require B．inquire C．acquire D．request
Victor apologized for to inform me of the change in the plan.
A．his being not able B．his not being able
C．him not to be able D．him to be not able
