---What do you think of the American singer Lady Gaga’s performance?---Too crazy, but if I _____to her concerts held yesterday, I would have enjoyed it.
He was _____ by his grandparents, so his parents seemed to be strangers to him.
Mr. Smith was thinking about how to explain to the manager why he was late for work, when a good idea ______ to him.
No one answered the phone. They___________ to the cinema together.
Your hand is dirty. It needs ____________.
I couldn’t do my homework with all that noise .