I couldn’t wait _____ the box as soon as I received the gift.
| A．to open | B．open | C．opening | D．for opening |
To keep the air fresh during the night, I often sleep with the windows on ________ it’s really cold.
| A．unless | B．if | C．because | D．when |
Renmin Road is always crowded with traffic and people, it’s one of the _______ streets.
| A．busy | B．busier |
| C．the busiest | D．busiest |
--- ____________________.
---The same to you!
| A．Happy birthday! | B．You speak good English! |
| C．Happy new year! | D．Have a good trip! |
Ok, class! Time is up! Please ________ your exam paper to the monitor!
| A．give away | B．put out |
| C．give up | D．hand in |
—Mom，I am upset because I argued with my best friend yesterday.
--Don’t worry, you ________ say sorry to her on the phone or write her a letter to explain it.
| A．would | B．should |
| C．could | D．need |