In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
The news (had appeared) irrelevant at that time, but now it directly affects us.
In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
The insecticide is very powerful and can kill a wide ___________ of insects.