题目内容
It's ten o'clock and Jack ________ still(仍然)________ his homework．
[ ]
A．is; do
B．is; doing
C．are; do
D．are; doing
答案：B
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孟建平小学滚动测试系列答案黄冈天天练口算题卡系列答案题目内容
It's ten o'clock and Jack ________ still(仍然)________ his homework．
A．is; do
B．is; doing
C．are; do
D．are; doing
孟建平小学滚动测试系列答案黄冈天天练口算题卡系列答案