3. ______, I can spare no time for it now. I’ll have to finish my homework first.
—Have you ever ridden a horse ? —No, but I _____ a camel when I visited Egypt last year.
It took a great deal of courage to admit that all his efforts had been ____.
Recently our class held a fierce _____ as to whether cameras should be installed in public areas.
As we all know, surfing _____ Internet has now become _____ popular means of getting information.
—Your hamburger is the best I’ve ever tasted, Ms. Black! —Thanks, Harry. _____.