Scientists have ________ a lot of research into renewable energy sources.
Kiến thức: Từ vựng
Giải thích:
A. do – went – done: làm, thực hiện
B. solve – solved – solved: tìm ra, giải quyết
C. carry – carried – carried: mang, vác, đem theo
D. make – made – made: chế tạo, sản xuất
=> do research: thực hiện nghiên cứu
Tạm dịch: Các nhà khoa học đã thực hiện rất nhiều nghiên cứu về các nguồn năng lượng tái tạo.
Chọn A
She wanted to know what had he done before working for her company.
She used to ________ in him whenever she had a problem. (confident)
They have established a mutually ________ and caring relationship. (support)
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer for each of the following sentences.
She wanted to know _______.
He is not really friendly and makes no attempt to be ________. (social)
Since the computer ________ it has made considerable changes to our daily life. (invent)
Do you think the generation ________ between parents and teenagers is getting wider?
This is the most interesting book that I have ever read.
=> I have not ____________________________________________________________Rewrite each of the following sentences so that it has the similar meaning to the given one.
He began to work as a pilot when he left university.
=> He has _______________________________________________________________Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions
Laura practised playing the instrument a lot. She could hardly improve her performance.
Put the verbs in the brackets into the correct tense / form.
Only after the teacher ________ the procedure clearly were the students allowed to go ahead with the experiment. (explain)
Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
- Alfonso: “I had a really good time. Thanks for the lovely evening.” - Maria: “_________”