________ China hasn’t banned the travel to Korea, we have seen a decline in choosing Korea as the tourist destination.

I can’t find Xiao Ping, where did you see him this morning?—It was in the library______ he studied．

When Mr. Brown back— Sorry, I don’t know.

It was only after I came across that matter_______ how important it was to master a foreign language.

a crazy fan of this singer. ________she listens to his songs hundreds of times, she will never get tired.