— Attention, please. The plane has to be _____ because of the heavy rain.— Oh, bad luck! We have to wait now.
—__________ have you been in the sports club? —Since the first month I came to the school.
__________ is waiting for you at the gate. He wants to say thanks to you.
The student didn’t find much__________ about the topic on that website.
A lot of foreigners__________ familiar with the famous places of interest in China.
The chemicals in the vegetables and fruit are bad__________ our health.