As a single mother of three children, she has very little time ________ she can spare to develop her own interest.
—There is still a copy of the book in the library.Will you go and borrow ________?—No,I’d rather buy ________ in the bookstore.
—Which one can I take?—You can take ________ of them;I’ll keep none.
I did not accept any of the many offerings,because I found ________ satisfactory.
—Do you often talk with your friends on the telephone or mobile phone?—________.I like using QQ.
To save class time,our teacher has ________ students do half of the exercise in class and complete the other half for our homework.