По­яс­не­ние. A.  Speaker: "Taxi drivers are very knowledgeable about traffic laws, so you reach the destination early."  — зна­чит, такси по­мо­га­ет сэко­но­мить время. Утвер­жде­ние 3.

B.  Speaker: "They have knowledge of good places to eat and visit while on vacation that may not be well known by tourists."  — зна­чит, так­си­сты могут под­ска­зать, какие есть мест­ные до­сто­при­ме­ча­тель­но­сти. Утвер­жде­ние 7.

C.  Speaker: "Besides, if you share a taxi with your relatives or friends, the fare will not be much higher than, say, the bus fare". Такси  — до­ступ­ное сред­ство пе­ре­дви­же­ния. Утвер­жде­ние 4.

D.  Speaker: "I rarely use taxis because the taxi fares are unreasonably high." Для не­ко­то­рых людей такси слиш­ком до­ро­го. Утвер­жде­ние 6.

E.  Speaker: "Oftentimes, taxi drivers have old car models without air conditioning... Moreover, you have no idea how clean the vehicle is and ..." . У такси есть не­ко­то­рые не­до­стат­ки. Утвер­жде­ние 1.

F.  Speaker: "There are many road accidents connected with public transport, whereas the statistics for taxis is much better." Такси  — без­опас­ный транс­порт. Утвер­жде­ние 5.

Ответ: 374615.