I haven't settled the problem of I'll go back home during the coming May Day.A which B. what C. whether D. where
What have we said _______ her so happy?
“Good morning. Can I help you?” “I’d like to have this package _______.”
. Tony was very unhappy for _______ to the party.
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.
With a lot of difficult problems ________, the newly-elected president is having a hard time.