It’s always difficult being in a foreign country, ________ if you don’t speak the language.

Private cars really provide much convenience to people, and ___ they cause too many problems.

___ the fact that he found math boring, he was still good at it.        

(2013·辽宁高考)Everything seemed to be going ________ for the first two days after I moved to New York.

________ we looked at it, the better we liked the oil painting.