Ms Liu likes wearing formal clothes, but his sister usually dresses ________.
A. casual B. casually
C. fashionable D. in
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
