Our clothes are low ____ price, high ____ quality.
A、at ... on
B、on ... at
C、to ... in
D、in ... in
第1题:
A. on
B. at
C. in
D. off
第2题:
第3题:
第4题:
That young boy was knocked ______ by a passing car.
A. on
B. at
C. in
D. down
19.答案为D。这个小男孩被经过的汽车撞倒了。knock down“撞倒”;knock on“敲击”; knock at“敲(门)”;knock in“(把钉子)钉入”。
第5题: