Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first .
If Kate goes to the gym this weekend, _______.
Iran, _______ world’s fifth biggest oil exporter, says it only wants nuclear plants to produce _______ electricity.
The pencil-box on the desk as well as the bookmarks _______ to my little sister.
According to the newest reports, personal _______ of guns in the USA causes a lot of trouble.
— I wonder what makes you a successful manager.— I _______ as a waiter for five years, which contributes a lot to my today’s work.