Whose French book is it?– It __________ be Lucy’s. Look! Her name is on the book!

You _____ lose your way if you walk alone in the mountains at night.

I’d like to arrive 20 minutes early _____ I can havetime for a cup of tea.[ ]

Look at my new digital camera. I bought it ______ October 1, National Day. —Wow, how nice! [ ]

Liu Xiang has failed over and over again in the past years. And that’s _________ he succeeds.