—It is a long time ______ I saw you last.—Yes, and what a pity it is since it will be a long time ______ we see each other again.
Standing on the platform, Professor Li kept silent for a moment, on the audience below.
The school should ________ immediately to the students’ request that they should have more time to relax.
I believe ________ you have tried your best and ________ you can come to the top of the class.
Fengjun,_______ president of Aigo Technology Company, is the second Chinese billionaire to promise _________all-donation after Chen Guangbiao.
Well_____ remember the day I ______ a wild tigar.