1. If we sit near _______ front of the bus, we’ll have _______ better view.
A. 不填; the B. the; 不填 C. a; the D. the; a
2. To improve the quality of our products, we asked for suggestions _______ had used the products.
A. whoever B. who C. whichever D. which
3. It came as a great_______ to the parents that their son finally came back safe and sound.
A. favor B. sense C. relief D. relaxation
