To save class time,our teacher has ________ students do half of the exercise in class and complete the other half for our homework.
Our bodies are ________ by working out. Similarly, our minds are developed by learning.
________ his spare time that his English has improved a lot.
The Chinese government holds that peace and development ________ the Taiwain Straits is the correct path.
In the early morning, all of us stood at the top of the mountain to ________ east of the city, watching ________ burning sun rising.
Have you bought the same book ________ I referred to yesterday?