It was recommended that passengers _____ smoke during the flight.
A、notA
暂无解析
The back garden of our house contains a lawn ，____very pleasant to sit on in summer.
If only I _____ play the guitar as well as you!
The Clarks haven’t decided yet which hotel _____.
The country’s chief exports are coal, cars and cotton goods, cars _____ the most important of these.
The three men tried many times to sneak across the border into the neighboring country_____ by the police each time.
