There’s a ______in our office that when it’s somebody’s birthday，they bring in a cake for us all to share．
A．tradition B．balance C．concern D．relationship
We've offered her the job，but I don’t know ____she’ll accept it．
A．where B．what C．whether D．which
The old town has narrow streets and small houses _____are built close to each other．
A．they B．where C．what D．that
When I got on the bus，I_____I had left my wallet at home．
A．was realizing B．realized C．have realized D．would realize
I'm sorry I didn’t phone you，but I've been very busy_____ the past couple of weeks．
A．beyond B．with C．among D．over
---Are you going to Tom’s birthday party?
---________．I might have to work．
A．It depends B．Thank you C．Sounds great D．Don’t mention it
