— We had ________ really cold February this year.-I can’t remember ________ spring when it snowed in Changzhou .
When we travel in other countries, we have to ________ lots of different customs.
Great changes ___ in the past ten years in China.
Many accidents _________ by careless drivers last year .
The book ___ to me is very interesting.
Millie gave ________ a baby cat yesterday that hurt _________ when it fell from the tree.