Câu hỏi

As some of the senior officers had very little English at school, additional interpreters _________ needed. The exact number should be known on their arrival.

• A have better been                                                
• B might have been
• C had better been                                                  
• D may now be

Luyện Bài Tập Trắc nghiệm Tiếng Anh 12 mới - Xem ngay