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)
Giải bởi Vietjack
Kiến thức: Thì quá khứ hoàn thành
Giải thích:
- Thì quá khứ hoàn thành dùng để diễn tả một hành động xảy ra trước một hành động khác và cả hai hành động đều xảy ra trong quá khứ. Hành động xảy ra trước dùng thì quá khứ hoàn thành, hành động còn lại dùng thì quá khứ đơn.
- Công thức đảo ngữ: Only after + S1 + had P2 + did/ was/ were + S2 + V (nguyên thể)
Tạm dịch: Chỉ sau khi giáo viên giải thích rõ quy trình học sinh mới được phép tiếp tục làm thí nghiệm.
Đáp án: had explained
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.
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions
With price increases on most necessities, many people have to tighten their belt for fear of getting into financial difficulties.
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: “_________”
