Ⅰ.单句语法填空/单句改错
1．Having a good teacher has made a ________ (different) to Alex.
2．What you did wasn't illegal, but it was ________ (moral) wrong.
3．I have two pens. ________ is black; the other is red.
4．Work hard and your efforts will pay ________ sooner or later.
5．Most of the students are studying attentively, ________ John is playing with a paper plane.
6．I cannot undertake to finishing the task on time.
________________
7．The efforts made by Adrian and his parents paid back.
________________
8．Sometimes, some students object the idea that English classes are taught in English.
________________
9．The law forbids smoke in public buildings.
________________
10．Are you in favour the government's measures to bring down the prices of goods?
________________
