He will have learned English for eight years by the time he _______ from the university next year.
In order to make the separate family reunited,he did ______ them.(Which one of the following is wrong?)
—Have you found out the telephone number I need? —Yes,but ______,I have sit here for nearly a half hour.
I’d rather read than watch television;the programs seem ______ all the time.
Mr Johnson preferred ______ heavier work to do.
Lily’s mobile phone was left in a taxi accidentally,never______again.