英文句子改错1

题目

英文句子改错1
每句的A,B,C,D中可能有错误
1•It’s is an (A-accepted ) custom for guests (B-to take) their gifts to (C-the) wedding reception when the couple (D-invited )them to attend.
2•Some international students (A-use) a cassette recorder (B-to make) tapes of their classes (C-so that) they can repeat the lectures (D-again).
3•(A-Despite of) diligent efforts to promote domestic production during the war years, the Continental Army (B-had to rely) primarily on (C-captures) and imports for (D-much) on its military hardware and even for clothing.
4•In a sense, farmers began primitive genetic engineering (A-at the dawn of) agriculture, (B-which) they kept seeds (C-from) their best plants, gradually (D-improving) the quality of successive generations.
5•Students (A-completing) a course in computer science and technology can (B-look forward to) (C-find) a wide (D-range) of jobs.

答案

1.D-invited 改为 invite, 时态用一般现在时
2.D-again 与 repeat意思重复,可以删去
3.B-had to rely 改为 has to rely
4.B-which 改为 when, 从句结构完整,应用关系副词,从at the dawn of知具体说明时间,故用when
5.C-find 改为 finding, look forward to doing