Mr Green stood up in defence of the 16-year-old boy，saying that he was not the one _____. [ ]

His speech was extremely boring that it was ______interrupted by applause and cheers

Julie, are you going to Mike’s birthday party on Sunday– ___I am invited

Do you often study with a group— Yes. I find ______ really helpful to study that way.

The traffic on the main streets has a longer greensignal than _______ on the small ones.