--- Do you have any problems _______ your maths?--- No, I don’t. But I need some help _____ my English.
There is _______“f” in the word “fond”.
The more you learn, the more ________ you can pass the exam.
--_______ you free tomorrow?—Yes, I am. What would you like me ______?
Shanghai is larger than ________ city in China.
American students spend ________ time _________ homework than Chinese students.