In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、thatA
暫無解析
Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.
Shewasso______thenoisethatshesentthechildrentobed.
There______nothingmorefordiscussion,themeetingendedearlierthanexpected.
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
