Ôn tập các từ vựng đã gặp trong các bài đọc sau:
Drag one right word(s) for each blank.
The grassland is an important ____ for many wild flowers.
He struggled to swim against the ____ of the water.
The size of your _____ is determined by the amount of oil they produce.
The lake was rapidly turning brown and ____ from the factory wastes.
If you don't keep the windows closed, the _____ can't work properly.
The _____ used to milk the cows by hand.
Her shoes got ____ as she walked through the wet grass.
A _____ is a person, especially in the western US, whose job is to take care of cattle, and who usually rides a horse.
Drag one right word(s) for each blank.
It’s quite ____ having to check all the labels individually.
We didn't have a washing machine. We had to wash our clothes ____.
The _____ of my shoe came off and I couldn't skate.
He swung himself into the _____ and rode off.