There is an obvious _______ between children spending too much time playing computer games and their bad grades at school.
There is no doubt ____ John will come by bus.
The reason ____he was late was ____he had taken a wrong bus.
The 29th Olympic Games ____ in Beijing in 2008.
—Did you visit the museum today?—No. We _____ it, but we spent too much time shopping.
The school is _____ a Chinese teacher for the new term who masters the English language perfectly.