They____with joy when they heard that their class won the first place in the relay race.
A. picked up B. split up C. took up D. sprang up
—It’s really great to have a computer to store my photos.
—Don’t count on it too much. It ________ break down and you’d better make a copy of them.
A. must B. can
C. should D. will
Bella, who is always cheerful, creates a friendly work atmosphere in her office every day,____ her colleagues find pleasant and relaxing.
A. where B. which C. when D. that
Being an experienced lecturer, Mr. Black____ his speech to suit a younger audience.
A. simplified B. addressed C. exchanged D. delivered
In many ways, the magic of AI is ________ it’s not something you can see or touch.
A. whether B. what
C. that D. why
听下面一段独白，回答以下小题。
1.How old was Dave when his father passed away?
A. 15. B. 10. C. 5.
2.What did Dave do in the evenings?
A. He earned some money.
B. He did housework for the family.
C. He drove his brother to some places.
3.Who introduced Andrew at the graduation ceremony?
A. His soccer coach.
B. The school headmaster.
C. The head of the school district.
4.What happened during Andrew’s speech?
A. His mother started crying.
B. Andrew thanked his father.
C. Dave realized his hard work had paid off.
