So difficult______ it to acquire a large vocabulary without the help of a teacher that he was close to giving up .
________ is no possibility ________ she can finish the task in two hours.
The purpose of new technologies is to make life easier, ________ it more difficult.
— It’s reported in the local newspaper that the murderer was caught in a small town. — ______
It’s really difficult to ______ what he is trying to express.
— How long have you been here? — Only about five minutes. Henry and Simon ______ here with me.