Stephen Hawking has expressed his opinion ___ humans might one day be able to make spaceships capable of such speeds that time on board would slow down.
The doctor insisted that the patient _______ seriously ill and that an operation _______ in no time.
I don’t want _______ like I’m speaking ill of anybody, but the manager’s plan is unfair.
When you’ve finished with that book, don’t forget to put it back on the shelf, _______?
Bob has learned a lot from his _______ of working in different gyms and is now an expert on all kinds of _______.
With a lot of work _______, I can’t watch TV tonight.