It isn’tthat I should accept such an offer as that．

15.She was lifting handfuls of fine sand and letting it pour __________ her fingers

From my point of view，the theory thatby the scientist is not quite scientific．

I am a little hungry, Mom. — There are some cakes on the plate. Youcan take ________.

160. It seemed that there was strange sound outside. We ________ carefully but_____nothing.