—Could you tell us ________ we can start a conversation with a foreigner?
—Talking about weather is a good choice.
how
whether
why
when
I have only ten yuan with me, ___________ I can’t buy the expensive dictionary.
It was Sunday, so we decided ___________ camping in the mountain.
—Where ___________ you go yesterday? —I ___________ to the beach.
My father took me to try the paragliding. It was very ___________.
Be quiet! I have ___________ to tell you.