Echo _____ for half a month. She’ll come hack in two months.A. left B leave C. has left D. has been away
--- Advertisements sometimes help people learn more about new products.--- But sometimes ads ________tell lies.
How much _______she 1ooked without her glasses!
Can you tell me how much___________________?
Surprisingly, the performance supposed to be popular ______ to be a great disappointment.
It ______ we know the result of the experiment.