Tom does speak Chinese well, but his reading and writing skills leave much ______.[ ]

Icanhardlyheartheradio.Wouldyouplease_____

Not only the twins but also their cousin __________ Japan for half a year, but __________ of them can speak Japanese.

We can’t have lunch at the restaurant, because __________.

Excuse me, could you please tell me the way to the library—______________.