43. According to the author grammar helps when ______. (A) we look up something in a book (B) we ask someone to make rules (C) we speak our native language (D) we learn a foreign language

48. It seems to be a wise decision to have brought wolves back to Yellowstone because ____. (A) wolves can depend on themselves to find food (B) a national park should introduce foreign animals (C) a national park should have different kinds of animals (D) wolves are necessary for many other animals and plants to live

43. According to the author grammar helps when ______. (A) we look up something in a book (B) we ask someone to make rules (C) we speak our native language (D) we learn a foreign language

其他試題

43. According to the author grammar helps when ______.
(A) we look up something in a book
(B) we ask someone to make rules
(C) we speak our native language
(D) we learn a foreign language