Part of the reason Charles Dickens loved his own novel, David Copper field, was __________ it was rather closely modeled on his own life.
—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
—Where is Lu Wenjie? —I have no idea.He__________ be in the library.
______difficulties we may come across, we' ll help one another to overcome them.
Mary had promised to give me a ticket for tomorrow. She failed, ____.
.---You may find the key to the maths problem on page 107 . ---Ah, it’s so simple . I wonder why I of that .