帮我回答这些英语问题Task2Eachsentencehasfourunderlinedwordsorphrases.Identifytheoneunderlinedwordorphrasethatmustbechangedinorderforthesentencetobecorrectandtrytocorrectit.1.\x05Hydrogenisacolorlessgaswh

Question

帮我回答这些英语问题
Task 2 Each sentence has four underlined words or phrases.
Identify the one underlined word or phrase that must
be changed in order for the sentence to be correct and
try to correct it.
1.\x05Hydrogen is a colorless gas what releases large amount of energy when it burns.\x05 A B C D
2.\x05This company has reached a point which a big change is necessary.
A B C D
3.\x05My father,that had been on a business trip to India,returned last Friday.
\x05 A \x05 B\x05 C D \x05
4.\x05You can buy whatever you need at the supermarket,where is always busy on the weekend.A B C
D
5.\x05He tried to work out a plan that he could finish the assignment before the deadline.A B C D

Answer 1

a what----that
c big-----huge
a that----who
c where----which
b work---get