【单选题】
How can you keep the machine ()when you are away?
【单选题】
It is a building _______workers make many mobilephones.
【单选题】
The airplane?[填空] is taking off?is?making a lot of noise.
【多选题】
Too much noise may_____________ mental problems.
【单选题】
This machine is extremely ( ) because it runs on half-price electricity.
【单选题】
Many a customer____ about the poor quality of the washing machine.
【单选题】
I have spent a lot of time_______repairing the machine.
【单选题】
9. No sooner _______ he arrived home than he _______to start on another journey.
【单选题】
No sooner________he arrived home than he________to start on another journey.
【单选题】
There is a real possibility that these animals could be frightened, ______ a sudden loud noise.