In the meantime, the question facing business is whether such research is ______ the costs.
Daisy ______ all the housework, she dropped herself into the sofa, sighing with relief.
Fortunately , the adventurers brought the GPS with themselves, they might have been lost in the desert.
—How many practical plans has your colleague made this month?— . All have turned out disappointing.
— Can I borrow your tape-recorder?—No. The last time you borrowed it, you _______ it for a month.
It is reported that a storm is on its way, but the weather today is ______ warm and sunny.