问题:
The hospital has a new system to help ______ the best service _______ the patients.
A.provide; /
B.provide; to
C.provide; for
D.supply; /
The hospital has a new system to help ______ the best service _______ the patients.
A.provide; / | B.provide; to | C.provide; for | D.supply; / |
参考答案: