—I wonder ________?
—I’m not sure. Let’s ask Miss Li for help.
| A． |
which subject should we choose |
| B． |
what we can do with the rest materials |
| C． |
that Bob went to the library just now |
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 |
Mrs. Brown worded in the west of Australia ________ last summer.
| A．/ | B．on | C．in | D．since |
The first class begins _______ 8 o’clock ______ the morning.
| A．at/on | B．at/in | C．on /in | D．on/on |