They _________ their house since they arrived last Monday.
A. didn’t clean
B. cleaned yet
C. haven’t cleaned
D. is not cleaning
Trong câu có trạng từ “since” (kể từ khi)
Công thức: S + have/has (not) + Ved/V3
=>They haven’t cleaned their house since they arrived last Monday.
Tạm dịch: Họ đã không lau dọn nhà cửa kể từ khi họ đến đây vào thứ 5 tuần trước.
Đáp án cần chọn là: C
I ______ blood twice and _____ presents to sick children in the hospital recently.
At Tet, my sister and her close friends often go to the hospitals to donate cakes, sweets and toys for the sick children there. They ______ it for many years.
Choose a suitable word or phrase (marked A, B, C or D) to fill in each blank.
The cutting or replacement of trees downtown _____ arguments recently.