22.They kept trying _____ they must have known it was hopele
22.They kept trying _____ they must have known it was hopele
They kept trying _____ they must have known it was hopeless.
1.they kept trying ____they knew it was hopeless
I suppose they have known about it,_____
It s____ that they have known it
I suppose they have known about it ,(
They _____ about it,I'm sure they didn't know.A.must have kn
They must have been enjoying themselves there,or they _____
It was not _____ they came back.
I suppose they must be trying out new ideas in the lab,_____
同义句转换:It seems that they have known each other .They ___ ___
They must _____ dolls because it causes so much trouble.