21. Can you answer the questions?
Can ………………………………………………………………………………?
22. They have to do their duty every year.
Their duty ………………………………………………………………………..
23. The mechanic has just repaired the engine.
The engine …………………………………………………………………….
24. These boy laughed at the teacher.
The teacher …………………………………………………………………….
25. The teacher is translating this sentence into Vietnamese.
This sentence………………………………………………………………………
26. The little boy is carrying the bag for the old man.
The bag ………………………………………………………………………………..
27. We brought some new books to the class this morning.
Some new books …………………………………………………………………….
28. They planted big trees here.
Big trees ……………………………………………………………………………….
29. People often wash hands before meals.
Hands ………………………………………………………….…………………….
30. Her grandmother sewed her many new clothes.
She
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