---Who is the boy ________ is playing football over there?
---The one over there? It’s Jim.
A. who B. that C. which D. whom
---How are you getting on?
---Pretty good! We collected all the pictures that could be found ________ a surprise for her at the party.
A. prepare B. prepared
C. to prepare D. preparing
The math teacher Mr Wang ________ to Beijing for a meeting, and Ms Li is teaching us instead of him.
A. has gone B. has been
C. had come D. goes
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
