A. If we do not visit Grandma soon, she will start to worry.
Giải bởi Vietjack
Đáp án A
Giải thích:
Câu điều kiện loại 1 dùng để diễn tả một hành động, sự việc có thể xảy ra ở hiện tại hoặc tương lai.
Công thức: S1 + V1(s/es). Otherwise, S2 + will V.
= If S1 + don’t/doesn’t + V1, S2 + will V.
Unless + S + V = If + S + not + V: nếu … không
so: vì thế, vì vậy
in case: phòng khi, nếu
Tạm dịch: Chúng ta nên đến thăm bà. Nếu không, bà sẽ lo lắng cho chúng ta.
= A. Nếu chúng ta không đến thăm bà sớm thì bà sẽ bắt đầu lo lắng.
B. Bà lo lắng cho chúng tôi, vì vậy chúng tôi nên đến thăm bà. => sai về nghĩa
C. sai ngữ pháp: need not => needn’t/ don’t need to visit
D. Chúng ta nên thăm bà phòng khi bà sẽ lo lắng cho chúng ta. => sai về nghĩa (“bà sẽ lo lắng” phải nằm ở vế kết quả chứ không phải vế điều kiện: nếu không đến thăm => kết quả: lo lắng)
Chọn A.
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