A．spreadB．openC．showD．examineHe rolled up his trouser l……

单项选择题The scientists began to accumulate a huge mass of data.

单项选择题The parents have to restrain their daughter from running out into the street.

单项选择题With immense relief, I stopped running.

单项选择题Why can't you stop your eternal complaining!

单项选择题After supper we usually take a stroll around the park for about an hour.