Mom, could I watch TV now—Sorry, you can’t watch it____ you finish your homework.

Both David and his sister left school when they were only 11.— No wonder of them is poor –educated.

Hasn’t the thief admitted his crime by now?— No, ______ questioned many times.

Numbers of terrorists attacks in the pastfew years have signaled that anti-terrorism remains _____ long term goalfor______ world

Great attention must be paid ______ welfare, especially in the poor area