【单选题】If something seldom happens, it:
【单选题】营养不良患儿用药,下列哪项药物具有提高味觉敏感度、增加食欲的作用:
【单选题】If anything _____ the computer, please let me know. [ ]
【单选题】______________ the day before yesterday. [ ]
A.
something happens to him
B.
He happens to something
C.
Something happened to him
【单选题】'It happens that he was in business. ' The sentence means that______.
A.
He happens to be on business
B.
He happened to be on business
C.
He happens to have been on business
D.
He happened to being on business
【单选题】If anything __________the machine, please let us know. [ ]