My cousins have collected stamps for two years. They have ______ stamps from different countries.
______ worried her mother a lot.
_____ with terror, the dog hid himself in a small cave, _____ his tail to the rain.
______ many times, he couldn’t understand it.
While shopping, people sometimes can’t help ______ into buying something they don’t really need.
The father stayed up late, ______ a long letter to his son.