The manager put up a notice to keep the staff ________of what to do this week．
A．inform B．informing C．informed D．to inform
_____ I can’t fully understand what his music conveys, his performance is quite impressive．
A．As B．Since C．If D．While
His uncle went abroad in 2010, and ________since．
A．has not been heard of B．had not been heard of
C．had not heard of D．has not heard of
It is required in the library regulations that any book borrowed __________ by due time, or the borrower will be fined．
A．return B．be returned
C．returns D．is returned
I broke my relationship with John because he always found _______ with me．
A．error B．mistake C．fault D．failure
His new car, ________ he paid 7,000pounds, has already had to be repaired．
A．on which B．on that
C．for that D．for which
