-I don’t know
-Because he has to look after his mother.
A. Why he is leaving B. why is he leaving
C. whether he will leave D. what is he leaving for
-My parents our home for a few hours when I arrived. I didn’t meet them.
-You could call them if you wanted to know where they were.
A. have been away from B. had been away from
C. had left D. had gone
-Where is Maria?
-She was noticed the library just now.
A. enter B. entered C. to enter D. was enter
-We can’t achieve our dream we keep hard.
-I agree with you.
A. until; work B. if; working C. unless; working D. unless; work
-Who’s that young man on the poster?
-Justin Bieber, excellent singer.
A. a B. an C. the D. /
-Why do you look so tired? -The noise upstairs made me the whole night.
A. to make B. wake C. waking D. awake