It is the day October 1st, 1949 _____ the People’s Republic of China was founded _____ we’ll never forget.
In fact, no dictionary can all the English words and idioms.
—It’s very kind of you to have carried the luggage for me. — .
They asked the government to make ______clear to the public ______ they did was right.
The reason why he failed is ______ he was too careless.
We were about to climb up to the top of the mountain ________ it began to rain heavily.