1A scientist
2C has been built ( since -> htht)
3B going (suggest +ving)
4D no, please do
5C well
6B to
7C out (wear out : mài mòn)
8D if you don't hurry up, you will miss the bus
9C (A sai : dư but, B&D sai nghĩa)
10A my brother is the tallest student in his class
11A the teacher asked Kevin how he went to school on rainy days
12C other
13B and
14D look after : trông nom , chăm sóc
15D /sh/ còn lại /k/
16D erupted /ed/ còn lại /d/
17B prefer (2) còn lại (1)
18A (1) còn lại (2)
19D practicing regularly is the best way to improve English skills
20A 4
21A how to learn English effectively
22D practicing speaking English a lot
23C English
24B are -> is (S1 as well as S2-> chia theo S1 : Mike)
25B who -> which/ that