On ______ sides of the streets are a lot of colorful flowers.
| A．each | B．both | C．either | D．all |
--- ____ you’ve made ! But you should still work harder.
-- Thank you , I will .
| A．What a big mistake . | B．How big mistakes | C．What great progress | D．How great progress |
---- I’m sorry I’m late . It’s rush hour , you know .
---- It doesn’t matter .We ___ here for just a few minutes.
| A．have arrived | B．have been | C．have come | D．have got |
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 |