He ______ worried when he heard the news.
A. is
B. was
C. does
D. did
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Liu Fengwei _____ three yuan for the lost library book.
A. paid
B. pay
C. spent
D. lost
groan
A. make a long low sound when you are happy
B. make a long low sound because of pain or unhappiness
C. make a sharp and high sound because of excitement
D. laugh loudly that everyone can hear you
console
A. try to make sb. feel angry when you are so upset
B. try to make sb. feel sad when you are angry
C. try to make sb. feel better when they are unhappy or disappointed
D. try to make sb. feel nervous when you first meet them
compulsory
A. sth. that must be done because of a rule or law
B. sth. that must be taught to people
C. sth. that is so important that cannot be overlooked
D. sth. that is so embarrassing that cannot be answered
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