1 .When I got into the room, Green was talking the phone.
A. on B. with C. to D. in
2. Jack, American teacher, is arriving at our school by car.
A. a; the B. an;不填 C. an; the D. a;不填
3. Pandas are facing danger! The situation won't change humans stop killing.
A. if B. though C. unless D. after
4. Sandy didn't tell her parents that she was going home because she wanted to give them a .
A. gift B. call C. note D. surprise
