【单选题】
______, this book is not very difficult.
【单选题】
Is that book ______ he borrowed on Friday?
【单选题】
Please____inmindthatyoushouldhandinhomeworkthisWednesday.
【单选题】
Hi, is Mary there, please?_________
【单选题】
Hi, is Mary there, please?
【单选题】
You can take as many as you like because they are free of ____ .?
【单选题】
Its free, so you neednt ____________ money ____________ me.
【单选题】
Its free, so you neednt ____________ money ____________ me.
【单选题】
The ship sank on its first _______.
【单选题】
In the first sentence, “by no means” means ____.