【单选题】
Should your products prove _________ in quality and reasonable in price, I trust substantial order will follow .
【单选题】
Please quote us your lowest price, CFR LOS Angeles, including our 5% _____.
【单选题】
The human race has already paid a heavy price for its slow _____to environmental threats.
【单选题】
They are living with their parents for the moment because their own house __________.
【单选题】
The course normally attracts 20 students per year,_______up to half will be from Orient.
【单选题】
I haven’t finished my composition . I________ for two hours and a half.
【单选题】
I haven’t finished my composition. I ___ for two hours and a half.
【单选题】
Charles regretted ______ the TV set last year. The price has now come down.
【单选题】
____ of them knew about the plan because it was a secret.
【单选题】
The electric fan does not work because of the ____ of service.