I wonder why Alice ________ to us recently. We should have heard from her by now.
A. hasn’t written
B. hadn’t written
C. didn’t write
D. doesn’t write
The flight has been delayed for four hours ________ the foggy weather.
A. for fear of
B. owing to
C. for the sake of
D. according to
The family found it hard to ________ from the traditions of their own country and adapt to the new environment.
A. break away
B. break down
C. break out
D. break up