They started playing chess 2 hours ago. (HAVE)
→ They ______________________________________.
Đáp án đúng: They have played chess for 2 hours.
Cấu trúc: S + have/has + V3 + for + khoảng thời gian = S + began/started + to V/V-ing + thời điểm trong quá khứ
Dịch nghĩa: Họ bắt đầu chơi cờ cách đây 2 giờ. = Họ đã chơi cờ được 2 giờ.
This test (do) _______ more carefully, you would get better mark.
The government must _______ measures to preserve our man-made wonders.
“Let's eat out tomorrow.” said Jenny.
→ Jenny suggested _______________________________.
Jack passed the exam because he studied so hard.
→ Because of ______________________________________.
People say that the Chinese discovered acupuncture thousands of years ago.
→ Acupuncture is ________________________________.
Ms. Nga is a nurse. She lives on the second floor. (WHO)
→ Ms. Nga ____________________________________.
Many people cannot even afford basic _______ such as food and clothing. (NEED)
Ha sings the best in her group, doesn’t she? (ARE)
→ No one _____________________________________.