Tom is so worried about the test that he said he was going to study all night.—-Tell him he should quit _________and get some help.

I call you just now,but there was no answer.—–Oh, I______ the flowers in the garden.

The Science Museurn，we visited during a recent trip to Britain，is one of London’s touristattractions．

Since the war _________ in Syria in 2011, there have been a great many refugees(难民) running to nearby European countries.

According to my grandma, it is a goodidea to eat chicken soup when you have a cold.— ________, scientists agree with her.