—When will the second class begin?—_two minutes.
If you want to buy an expensive camera, we have several models for you ________.
He had ________ that he had difficulty finding a job.
I received a number of ________, but ________ of them is valuable to me.
---What about the popcorn?---Wonderful! Nothing tastes ________.
---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.