My second piece of advice is that he ________a bicycle as soon as he can.
The police are trying to find out the ____ of the woman killed in the traffic accident.
— I heard they went skiing in the mountains last winter.— It ________ true because there was little snow there.
It didn't take long for them to ______ the cheat,who pretended to be an expert in this field.
Because of the limited time,he didn’t go into details on the subject.He only spoke ____.
Mary,______ here--everybody else,stay where you are.