How about going hiking this weekend—Sorry. I prefer _______ rather than _______ .

When ____ about the source of hisincome, he hesitated for a moment, obviously not willing to give us a directanswer.

―When did she leave―As if it was 3:30. She for about 2 hours.

He made another wonderful discovery, _____ of great importance to science. [ ]

Would you mind ____ the radio? The little boy is sleeping. [ ]