单项选择题
In the following pair of sentences, sentence a is more formal.
a) The problem becomes worse by the poor effects we made.
b) The problem was compounded due to the ineffective measures we had taken.
A、正确
B、错误
In the following pair of sentences, sentence a is more formal.
a) The problem becomes worse by the poor effects we made.
b) The problem was compounded due to the ineffective measures we had taken.
A、正确
B、错误
A.