—Where is Jack?I can’t find him anywhere.—He__________ his homework upstairs.
Between and , the number of overseas visitors expanded/rose ________ %
介词的基本用法与习惯搭配 He came back late, ________ which time all the guests had already left
The two friends are ________ related like the lips and teeth, and you can often see them stay ________ together, hand in hand
The big earthquake is still on ________ clothing is needed ________ in the mountain village
The fridge I bought at the second-hand shop is almost new ________, it works quite well