22.Of the two boys, the one reading a book is ___________.
Many of the scientists and engineers are often judged ______ how great their achievements are.
I offered the ______ suggestion of spending the holiday in the mountains or by the sea.
—How much salt did you put in the soup ? — I’m sorry to say , _______ . I forgot .
Most people believe that ____knowledge is power and that having ____ good command of aforeign language is of great importance .
Many students listened to the lecture, but I wondered how much they ______.