—Someone wants you on the phone. —_____nobody knows I am here.
The incident _____ a chain of events which resulted in the outbreak of the World War I.
---You speak very good French!---Thanks. I _____ French in Sichuan University for four years.
People _____hobbies because these activities can offer enjoyment, friendship, knowledge and relaxation.
The fridge is _____for one year. It means that the company that makes it promises to repair or replace it if it breaks within a year.
The number of tickets _____ will be determined by the size of the stadium.