题文
My brother _____while I ______.
| A．reads; was doing my homework |
| B．read; did my homework |
| C．was reading; was doing my homework |
| D．was reading; did my homework |
My brother _____while I ______.
| A．reads; was doing my homework |
| B．read; did my homework |
| C．was reading; was doing my homework |
| D．was reading; did my homework |
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