Đáp án C.
A. difficulties(n): sự túng bấn, sự làm khó dễ, sự phản đối
B. difficult(adj): khó khăn
C. difficulty(n): sự khó khăn, trở ngại
D. difficultly(adv): một cách khó khăn
Dịch nghĩa: Cách phát âm của anh ấy khiến tôi gặp rất nhiều khó khăn.
After four hours of walking in the hot summer sun, we were _____________ for a drink.
Students can _________lots of information by attending lectures regularly.
I'd like to ______ this old car for a new model but I can't afford it.
The terrible weather may have _____________ the small population.
If one wants to take part in volunteer organisations such as Green Summer Camp, Green Saturday Movement, Blood Donor, he/she will have to ______ an application form.
Even the most _____________ individuals can be thrown into a mild panic at the prospect of organizing a wedding.
Do you often _____ your intuition and then make a choice based on your feelings?
Vietnamese athletes compete regionally and internationally and ______ high ranks in many sports.
To attract the waiter’s attention, wait until you _______ and raise you hand slightly.