-Do you know where your brother is,Mark?
-Sorry.I __________ about a question and didn't hear what you had said.
was thinking
will think
am thinking
was thought
Look! There are ________ birds ______the tree.
He arrived ________ Nanjing _________ the evening of July 8th.
--What’s that ______ English? --It’s a bookcase.
---I lost my school ID card.---You can ask the teacher____ it, but you must call her____36404564 first.
All of us went to the park___Jenny. She had to wash clothes at home.