Đáp án: have been Giải thích: Câu nhấn mạnh vào kết quả của hành động nên động từ “to be” được chia ở thì hiện tại hoàn thành. Dịch nghĩa: I’m proud that the two companies have been in close collaboration with each other to complete the project. (Tôi rất tự hào rằng hai công ty đã hợp tác chặt chẽ với nhau để hoàn thành dự án.)
Minh demonstrated his excellent critical skill in the presentation. The teacher praised him for that → ______________________________________________________________________
Give the correct form of the verbs in brackets to complete the following sentences She__________(call) the consultant office since morning but no one has answered the phone.
Complete the following sentences using the suitable words in the box. There is ONE extra word. awareness/ diploma/ catastrophic/ internship/ infectious/ undergraduate/ mandatory
During the course, you have 14__________modules which must be done respectively.
The water around the island was affected by oil spills. After that, it has become toxic to animal and plant life. → ______________________________________________________________________
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