The () stuck on the envelope says “By Air”.
举一反三
- The study says there must be a complete ______ of air traffic control systems.
- satelliteautomatevaporin the air expansionhazardincorporate take control of lucrativemagneticget/be stuck inmountsignal bunchvibrateapproximatelycalculateapartcorrelate frequency From the control tower, air traffic controllers coordinate aircraft movement both ____ and on the ground.
- Would you buy a car that released calming smells into the air when you are stuck in heavy traffic? (VOA)
- The<br/>woman says that Mrs. Smith might ( ). A: be<br/>stuck in traffic B: get soaked C: think that class is canceled
- _________ that there is another football match on the air this evening. A: It says B: It was said C: It is said D: What was said