_____his father had come, his face lit up.
| A．Having learned | B．When he learned | C．Heating | D．When learning |
相关试题
Now Tom with his classmates ________ football on the playground.
| A．play | B．are playing | C．plays | D．is playing |
Half of the workers here ________ under 30 ________.
| A．is;years | B．are;year old | C．is;years old | D．are;years of age |
Political parties often differ in their views on various _____ concerning their own countries.
| A．ways | B．measures | C．issues | D．patterns |
About 60 percent of the students ________ from the south,the rest of them ________ from the north and foreign countries.
| A．are;is | B．are;are | C．is;are | D．is;is |
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