There are days in a week. The day is Saturday.
| A．seven; seven | B．seven; sixth | C．seventh; seven | D．seven; seventh |
—Must we keep the room_______ all the time?
—No, you don’t have to.
| A．cleaning | B．cleaned | C．to clean | D．clean |
—He plays basketball so well! Who taught _______?
—He learnt it by _______.
| A．him; him | B．himself; himself | C．him; himself | D．himself; him |
—_______ can I keep the books?
—Two weeks.
| A．How long | B．How often | C．How far | D．How soon |
My mother often tells me _______ my classmates when they need.
| A．help | B．to help | C．helping | D．helps |
Do you prefer _______?
| A．skate | B．skates | C．skating | D．skated |