I called you last night, but no one answered me.—Oh, I________ a shower.

With more forests being destroyed, huge quantities of good earth __________ each year, which __________ that our environment is suffering

enjoy my job in research because I have to______all the latest developments.

It is difficult for a teacher to give attention to children in a large class．We should reform the situation in order to meet each child’s needs．

Of the following four, is in June.