中国大学MOOC: He is working on his computer ________ recently.
举一反三
- He is working on his computer recently.
- He has been working hard at his _____ (博士的) thesis on computer for more than half a year.
- Recently, he has lost all his _____.
- 中国大学MOOC: He found his book this morning, but he _____ his pen.
- 中国大学MOOC: He works in the (big)__________ computer company in the world.