Li Mei is the student _________ handwriting is the best in our class.
| A．whose | B．whom | C．who | D．that |
I think this is the most interesting thing _____ has happened to us .
| A．that | B．which | C．what | D．who |
--- I’d like to introduce my best friend to you , Peter .
---- Thank you , Lucy . But we __________already .
| A．meet | B．met | C．will meet | D．have met |
_____ out your love . The world will become a nicer place to live in .
| A．Speak | B．To speak | C．Speaking | D．Spoke |
Success will belong to those ___ never say impossible ..
| A．whom | B．who | C．that | D．which |
----- Have you heard of Earth Day ?
----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .
| A．celebrates | B．celebrated | C．is celebrated | D．was celebrated |