1、Obama still ___________ millions of dollars from book publishing and public speeches after retirement from the White House.
A、reaps
B、leaps
C、weeps
D、sweeps
2、You can’t expect to __________ whithout hard work of sowing.
A、reap
B、leap
C、weep
D、sweep
3、Our rent is over ________ and the landlord is urging us to pay.
A、past
B、ahead
C、due
D、behind
4、________ to some personal problems, I can’t carry on acting as president of this company.
A、Due
B、Owing
C、As
D、For
