I don’t know ________.A. where is Jim B. where does Jim come from C. how old Jim is
He considered __________ the book, which was considered __________ a great help in his study.
The clothes in this shop are more beautiful than ____ of ______.
The meal mother cooked ______ very delicious.
It’s ____ difficult problem for the twins that ____ of them can work it out .
It was very cold the day before yesterday._______