Cứu bố ----- Nội dung ảnh ----- Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
(28) __________ Internet services are rather easy to use, you will find considerable difficulties if you are not familiar with it. (29) __________ English is one of the most important aspects that help you use the Internet. Learning may take a few hours, a few days, or some weeks, but it takes years to learn a language. (30) __________ of course, when you know some English, your English should be good enough to understand (31) __________ it on the Internet.
(31) A. so B. in C. with D. although
(32) A. know B. loudly C. fluently D. using
(33) A. difficulty B. knowledge C. knowledgeable D. but