have you learned from your experiencein Thailand—Well, meeting people from another culture______ be very difficult．

He threw away his cup and became even happier. Which of the following is correct for the underlined word in the sentence

give me your report by 1O am.— __ have you been in charge of this project

Where is Linda I can’t find her anywhere.—She ______ the flowers in the garden.

The dayI have been looking forward to will certainly come