在下列哪种情况下民用航空器可以飞越城市上空______
A、指定的航路必需飞越城市上空时A
暂无解析
Thegroupismadeupoflocal___(music)whohavebeenperformingtogetherforseveralyears.
在下列叙述中正确的是（）
Thisadvertisementisa___(type)exampleoftheirmarketingstrategy.
Iwouldverymuch______tovisitsomeoftheplacesthatIhavebeenreadingabout.
Thepresentcrisisbearssome________(similar)totheoilerisisofthe1970s
