1 . To enjoy the ________(便利) of digital payment, many senior citizens started to use smart phones.(根据汉语提示单词拼写)

2 . Activities all take place under the ___________(指导) of an experienced tutor. (根据汉语提示单词拼写)

3 . ____________(一次观光旅行) took us all around the picturesque city.

4 . The U. S. president’s r______________ is the White House.

5 . The meeting will be held in the high school a___________.

6 . Before college entrance exam, teachers help the students relieve t_________ and anxiety.

7 . What you say or do will have an e_________ on others.

8 . After winning this contest, she _______________ (开启了模特职业生涯)．

9 . In order to do this you have to build up _________ (自信).

10 . This 2008 bridge has______________(成为必看景点) in its home of Sao Paulo, Brazil.