Since the computer ______ it has made considerable changes to our daily life.
Mệnh đề thì hiện tại hoàn thành + SINCE + mệnh đề thì quá khứ đơn giản.
Đáp án là B. The computer( máy tính ) là danh từ chỉ vật, do vậy câu được chia ở dạng bị động.
The pool should not be made so deep______small children can be safe there.
We all agree that she is____________________ student in our class.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
The word "allocated" in the passage mostly means "______".
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Long ago, women were_________to vote in political elections.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
The boat was sailing north when a terrible storm_____________ .
_______ has been a topic of continual geological research.
______ his brother, Mike is active and friendly.