【单选题】
Between 1974 and 1997, the number of overseas vistors expanded_______27%.
【单选题】
With the help of the government , a large number of people ---_______ after the flood in 1991.
【单选题】
His mother _____alone since his father died.
【单选题】
I_______here since I moved here.
【单选题】
The desegregation was achieved through a number of struggles, _____been mentioned in previous chapters.
【单选题】
_________is considered to be the best-known English dramatist since Shakespeare.
【单选题】
Things are back to _____ since we paid off all our debts.
【单选题】
Ever since the Smiths moved to the suburbs a year ago they __________ better health.
【单选题】
He believed his lucky number was ten, so he decided to live on the ______ floor.