Up to now, the teacher __________ our class three tests in English.
"Up to now" ( cho đến nay ) dấu hiệu nhận biết của thì hiện tại hoàn thành. Do vậy, đáp án đúng là A.
We all agree that she is____________________ student in our class.
__________ John Kennedy was elected president, he was the youngest American President ever.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Michael looked deeply hurt and surprised when_____________________ .
_______ has been a topic of continual geological research.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Supporters of free-market globalization point out that_____________________ .
She asked me______I was looking at.