Mr Smith ____ a book about China last year but I don’t know if he has finished it .

.—My brother fell off his bike and hurt himself. — .

Everything ________, I’m sure I made the right decision.

________he can’t understand is ________his son doesn’t like the school. He is very upset about this.[ ]

Many areas were stricken by the typhoon, and it was quite difficult to ______ the exact losses.