— I think students should have mobile phones to call their parents.—_____. They often use them to play games instead.
As soon as you come back from the airport, please give a call.
The play was not interesting, so there were ________ people in the theatre.
Japan attacked Pearl Harbor (珍珠港) of the united States December, 1941.
He threw away his cup and became even happier. Which of the following is correct for the underlined word in the sentence?
—__ _ do you study English? —By making flashcards.