The problem referred to at the class meeting, if ______________ in time, will make a bad effect on everyone in our class.
— Has Sam finished his homework today? — I have no idea. He ________ it this morning.
You can come here to ask me ________ if you have any questions.
________ is no possibility ________ she can finish the task in two hours.
The purpose of new technologies is to make life easier, ________ it more difficult.
Eventually he gave in to the wish of the ________.