Scott usually gets up at 6:10, then he cleans _______ room.
| A．he | B．his | C．him | D．himself |
— What can you see on the desk?
— I can see _______ pen.
| A．the | B．a | C．不填 | D．an |
My sister isn’t in. ________ she comes back, I’ll let her call you back.
| A．While | B．Until | C．Before | D．When |
Not only Lucy’s brothers but also Lucy herself ________ living in China now.
| A．enjoy | B．enjoys | C．enjoying | D．enjoyed |
Everyone is here. Let’s ________ our class now.
| A．begin | B．began | C．beginning | D．to begin |