Not knowing what happened, Mom was sad and angry when she saw Dad come home late, ________.
Look out! Don’t get close to the building. It _________.
If you _______ spit at all. pleasespitin the bucket provided.
He is sweating heavily. He _______ weightlifting for a long time.
What he said just now had little to do with the question _____ discussion. A onB in C under D at
The course about Chinese food attracts over 100 students per year, ________ up to half are from overseas.