He has written some very good poems, but he is ________ known for his short stories
He failed the mid-term examination and only then________how much time he had wasted.
There are 30 people________in the traffic accident but the injured ________ rescued at once.
________is no possibility________she can finish the task in two hours.
When I study English, I like to put my dictionary________my reach so that I can refer to it when necessary.
The two girls are so alike that strangers find________difficult to tell one from the other.