It is very kind _____ you to help me with my lessons because it is very difficult _____me to learn them well.
| A．of； for | B．of； of | C．for；of | D．for； for |
Our Chinese like eating moon cake ____ Mid-autumn Day.
| A．in | B．at | C．on | D．during |
Would you mind not picking up the flowers in the garden? They are ____ everyone’s enjoyment
| A．to | B．for | C．at | D．in |
I get up early ____ the morning, but ___ Sunday morning I get up very late.
| A．on; in | B．in; on | C．in; in | D．on; on |
The plane arrived at London airport ______ Wednesday.
| A．on | B．at | C．in | D．for |
What do you usually do ________ Christmas?
| A．on | B．at | C．in | D．for |