The students will discuss a number of cases ____ beginners of English fail to use the language properly.
—Did you enjoy the party?--Yes,we___by our hosts.
_____the early flight,we ordered a taxi in advance and got up very early.
Every morning my father will ________ the local paper for something interesting to read.
Tom _______ to go upstairs to his room and rest awhile, but his aunt urged him to finish his homework first.
Children under fifteen are not permitted to see such kind of film _________ is bad for their mental development.