初中英语宾语从句单选题

I often doubt           .

A．that this song is worth listening to	B．if this song is worth listening
C．that this song is worth listening	D．if this song is worth listening to

---Does anyone know __________?  
---I hear that he was born in Sweden.

A．what he is	B．when he was born
C．where he comes from	D．which country is he from

Excuse me, could you tell me ________?
A. where are they
B. how did they go there
C. when they will come back

—Has Li Hong gone to the library?
—Pardon?
—I asked           the library.
A. if Li Hong had gone to B. if had Li Hong gone to         C. Li Hong had gone to

–Do you know ______ the Capital Museum? –Next Friday.

A．when will they visit	B．when they will visit
C．when did they visit	D．when they visited