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 đáp án là A
Alfonso: “I had a really good time. Thanks for the lovely evening.” - Maria: “_________”
They have established a mutually ________ and caring relationship. (support)
When we will finish our final exam next month, we are going to visit our grandparents.
Since the computer ________ it has made considerable changes to our daily life. (invent)
She is a very generous old woman. She has given most of her wealth to a charity organization.
He began to work as a pilot when he left university.
=> He has ___________________________________________I didn’t pay attention to the teacher. I failed to understand the lesson.
She used to ________ in him whenever she had a problem. (confident)