The professor gave me quite a few novels, ________ is here for you to read this evening.
The teacher refused to have his daughter study in his class, ______ showing favour to her.
—I’ve heard they went skiing in the mountains last winter. —It ______ true because there was so little snow there then.
. ______ by the earthquake, the city of Port-au-Prince(太子巷) had to be rebuilt.
. —Alice promised to come around to ______ you company today. —But she hasn’t. I’ve been alone all day.
Book three is ______ most difficult book,but is isn’t ______ most difficult one in Senior school books.