think it’s a good idea to make friends with your students– ,I do. I think it’s a great idea.

Walk _____ this street, then turn right________ the secod crossing.

(2013·江西两所名校二模)The progress of the work will depend on what the weather conditions are and ________ modern the equipment is

_______ the boy was walking down the street, the UFO landed.

Can I join the club, Dad—You can when you ______ a bit old.