赞题库-背景图
单项选择题

A．He advises students participating in a special program.
B．He teaches part-time in an elementary school.
C．He observes elementary school students in the classroom.
D．He helps students prepare their resumes.
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单项选择题A．She has never seen snow before. B．She is conducting a research on snow. C．She wants to make artificial snow. D．She has just read about snowflakes.

A．She has never seen snow before.
B．She is conducting a research on snow.
C．She wants to make artificial snow.
D．She has just read about snowflakes.

单项选择题A．The man couldn’t attend the festival. B．The festival would be celebrated for seven days. C．The man would pick her up earlier. D．There would be thirty people attending the festival.

A．The man couldn’t attend the festival.
B．The festival would be celebrated for seven days.
C．The man would pick her up earlier.
D．There would be thirty people attending the festival.