Section 5 is _________ the first floor of the Prep School.
A. at
B. in
C. on
D. between
floor (tầng) =>dùng giới từ “on” (bên trên)
=>Section 5 is on the first floor of the Prep School.
Tạm dịch: Khu 5 ở tầng đầu tiên của trường học Prep.
Đáp án cần chọn là: C
We benefit greatly ____________the medicines and other products that biodiversity provides.
My husband and I take turns cleaning ________ the kitchen depending ________ who gets home from work earlier.
Alice opened the door and found that it ________ to a small passage.
Tom isn't here _________ the moment. He'll be back _________five minutes.