已知am=8，an=12，那么am+n=______．

There _______ 12 students in the classroom. A: are B: is C: be D: am

When will the friend be at the airport?[音频] A: 11:45 am on Sunday B: 11:30 am on Sunday C: 11:00 am on Sunday D: 12:30 am on Sunday

攻（）以下螺孔时，用右手单手操作。 A: AM12 B: BM8 C: CM6 D: DM4

I am interested in the training course, which ______ at Hilton Hotel in Beijing from March 8 to 12, 2018.

What are the calling hours for technical support A: From 7:00 am to 12:00 midnight. B: From 19:00 midnight to 12:00 midnight. C: From 12:00 midnight to 7:00 pm. D: From 12:00 noon to 12:00 midnight.

（2017年12月）3A I am interested in training course, which ____ at Hilton Hotel in Beijing form March 8 to 12, 2022.

【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am

Based on the conversation, what time will they most likely leave? A: 9:30 AM B: 12:45 PM C: 2:00 PM

I tired but I hungry.: am ; am not|am; am|are; are not|is; is not