The accident is reported to have occurred _____the first Sunday in February.A. at B on C. in D. to
—Nowadays children have more freedom. —I agree. They ________ do what they like.
After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees ________ shade and ________ down to have a rest.
The fireman told us the troubles they had ________ the fire ________.
Please hand on the papers to those ________ at the back of the classroom.
As a considerate secretary, she never fails to know what ________ in her daily routine.