I spent half an hour on my homework yesterday.(保持原意
I spent half an hour on my homework yesterday.(保持原意
I spent half an hour on my homework yesterday.(保持原意)
I spent half an hour ______ my homework
( ) 15.I spent half an hour ___________ my homework .finish
I spent half an hour ___(finish) my homework.
l spent an hour doing my homework yesterday evenig(保持原句意思) 根
I spent an hour ___________ my homework
i spend one and a half hours on my homework.(保持原意)
it spent half an hour working out the pysics problem.(保持原意)
He spent half an hour on the newspaper yesterday (改为同义句)
i did my homework at an hour yesterday evening
it takes me half an hour to do my homework.i------ half an h