We should keep our classroom _____.
A. cleans B. cleaning C. clean
He went to the garden and saw ________ one-year-old baby on the grass.
| A．a | B． an | C．some | D．/ |
You can’t get back your football_________you finish your work．
| A．because | B．after | C．when | D．until |
Look! The train is going _______ the tunnel.
| A．across | B．along | C．through | D．round |
— How many tomatoes are there in the basket? — ________.
| A．Nothing | B．Nobody | C．None | D．No one |
There ______ an English party tomorrow evening.
| A．will be | B．has | C．will have | D．will has |