—Jane, I saw your brother yesterday.
—It ________ be him. My brother is studying in Shenzhen.
can’t
mustn’t
needn’t
---Reading is the best way to pass time on the train. ---______, I never go traveling without a book.
— It’s hard to believe ______the way out of the forest without the help of the local guide?
She drove so fast at the turning that the car almost went ______ the road.
A smile costs ______, but gives much.
It’s beyond doubt ______it will ____ later in the day. Take a raincoat with you.