--Why has he been staying at home these days?  --He ___________ since a month ago.
#104803
A
has been out of work
B
was out of work
C
has lost his work
D
had left from his work
推荐题目
By the time Jack returned home from England, his son __________from college. 
#101958
A
graduated
B
has graduated
C
had been graduating
D
had graduated
The teacher said that Columbus _______America in 1492.
#102954
A
discovered
B
found
C
had discovered
D
had found