Usually children are allowed to ______ when they are six years old.
—So you missed the English class this morning?—________.I arrived 20 minutes after it started.
By the end of next year,they ________ the work on the new stadium.
Poverty has risen in Nigeria, with almost 100 million people living on less than $1 a day,________ economic growth.
People with simple names enjoy quicker career advancement because names which are hard to pronounce inspire negative ________ from superiors.
Now teachers tend to be more dependent on ________ is thought to be a great teachingaid — the computer.