__________ a certain doubt among the workers as to the necessity of the work.
— Sally, our monitor, was late for her class this morning. — ______? As far as I know, she never came late to class.
Every year, Tom remembers to have some flowers ______to her mother on her birthday.
Nanjing is ______ beautiful city, where you can see ______ famous Changjiang River.
_________. It’s high time we left for the airport.
More and more high-rise buildings have been built in big cities ________ space.A. in search of B. in place of C for lack of D. in memory of