Up to now,the program________thousands of children who would otherwise have died.
#99410
A
would save
B
saves
C
had saved
D
has saved
推荐题目
Hi, Mike. I’ve to borrow your car this afternoon mine _______ in the garage.
#99388
A
is repairing
B
is being repaired
C
has repaired
D
has been repaired
His sister left home in 1998, and _________ since then. 
#100164
A
hadnotbeenheard
B
hasnotbeenheardof
C
hadnotheardof
D
hasnotheardof