I’m not sure whether this is the room ________ she left her dictionary.

It was a difficult job for him. He had tried everything but it made little .

I hear Tom ________ playing games.-________ no wonder he is easy to feel sleepy in class.[ ]

The Chinese government is developing the west of China，which will ______ the people there，especially those who are still leading a poor life.

For the next vacation, I’d like to go_____.