Where have you been all day?—I _______ some former classmates and I couldn’t get back until it was dark

25．—Can you tell me the timetable of the school bus? —Well，the bus________here for the first trip at 6：30am

The teacher raised his voice so that he could make himself _______.

What made my father satisfied was　　　over 50% of the students in his class had been admitted to key universities.

is the number of the students in your school, Wu Dong—It’s more than 1,000, but I’m not sure about it.