23. The water of (the) Atlantic, Pacific, and Indian Oceans (make up) 70.8 percent (to) the Earth’s (surface).
water的单复数问题?
34. (Of the many) mushroom species( growing) wild, the common field mushroom is (the one) that is most frequently (gather )for human consumption.
gather 错误很明显,但感觉A怎么也不顺眼啊?