American women were _____ the right to vote until 1920 after many years of hard struggle.
It is usually warm in my hometown in March, but it ______ be rather cold sometimes.
Where and when to go for the holiday still ______.
________ I came, the city wasn’t so beautiful.
Rather than _______ on a crowded bus, he always prefers ______ a bike.
Tsinghua University, ______ in 1911, is home to a great number of outstanding figures.