----_____ do you usually come to school?    ---- By bike.

I don’t like physics ______ it’s too difficult for me.

---___________ is the Summer Palace from here?---About three kilometers away. You can take the No.35 bus.

 --When do you have __________to help me with my English? I am reading the Encyclopaedia Britannica, but it is too difficult for me! --You can come to me ___________!

I am sorry. I __________ the dictionary in my home.