There is a photo on the wall.____ the photoof Lei Feng.

have offered to paint the house________a week’s accommodation.

Scientists have made a major ________ in the treatment of cancer.

______ between 8 a.m. and 10 a.m. this morning, thejewellery shop was robbed.

27. This instant dictionary(快译通) is too _____. He can’t afford it, to say nothing of a portable computer (手提电脑).