Someone_____the door at midnight yesterday. D. are knocking B. were knocking C. is knocking A. was knocking
2 câu trả lời
Someone_____the door at midnight yesterday.
D. are knocking
B. were knocking
C. is knocking
A. was knocking
Chọn câu D bởi vì nó có yesterday là dấu hiệu của thì HTTD và someone là số ít cho nên dùng is knocking
Cấu trúc HTTD:
S + am/are/is + Ving
Someone_____the door at midnight yesterday.
D. are knocking
B. were knocking
C. is knocking
A. was knocking
`->` at midnight yesterday `->` dấu hiệu QKTD
`->` someone `->` chủ ngữ số ít `->` dùng was
`banthamkhao`