He found _______ difficult to study maths.
A、itA
暂无解析
TheNetherlandsistheonlycountryinEuropewhichpermitseuthanasia,________itisnottechnicallylegalthere.
The volleyball match was televised ________ on CCTV.
It_______fortwohoursnow
______ are the primary destinations for the Chinese at present.
By the middle of the 21st century, the vast majority of the world ’s population will be living in cities _______ in the country.
