把对话补充完整，并将序号写在横线上。
A. Please open the book. B.Good morning, Xiao Li . C.I’m sorry, teacher.
Help _____ the house.
| A．clean | B．to clean | C．cleaning | D．cleaing |
He doesn't have runners _____.
| A．too | B．either | C．also | D．neither |
Let's ask him ____some help.
| A．to | B．for | C．at | D．on |
I like watching clouds ____ than flying kites.
| A．good | B．better | C．best | D．most |
Li Ming thought he ____ a good student.
| A．is | B．are | C．was | D．were |