— You _______ online for3 hours. It’s time to go to bed.— Sorry. I just don’t know what to give to my grandparents as Christmas presents.
We will have two family parties this autumn. One is at Halloween and _________is at Thanksgiving.
I don't know________ they have passed the exam.
— I wonder if I can learn English well.—________. All things are difficult before they are easy.
— What did Tina say?— Sorry, I didn’t ________ what she said.
When you come across new words in reading, it is not a good idea to_______ in a dictionary at once.