On a rainy day I was riding my bike to pick up my son _________a terrible accident happened ahead.
The 1930s __________ the suffering of the Chinese from war.
— Could you help me with my English?— _____________.
to take my English textbook, I had to borrow one from a schoolmate.
It was the news _________ he got the first prize ________ made his father excited.
My sister was against my suggestion while my brother was _________ it.