if __(train),most people can enjoy this simpie sport 怎么填

if __(train),most people can enjoy this simpie sport 怎么填 同义句转换：It's fast and cheap to go to other places by train.It's fast and cheap to __ __ __ to go to other places.Most students go to school by bike.Most students __ __to school.用介词或副词填空：They walked quietly and felt the bea If you decide to take __ train to Beijing,you may have quite a pleasant journey,but make sureyou get __ fast one.A.a;a B.the;a C./;a D.a;/ more than 30 people died in the train accident,most of __ children.A.which B.them C.whom D.that这里为什么选B。后面为什么没有were __ most of the earth's surface is covered by water,fresh water is very rare and precious.A.as B.once C.If D.While 乘火车旅行很有趣.It is __ __ __ by train if they don' help us=__ __ __ Be quick If you miss this train ,you have to wait for at___three hour.A) first B) least C) lastBe quick If you miss this train ,you have to wait for at____ three hour.A) first B) least C) last D) most what's the most diffcult train to catch?脑筋急转弯, _____________(train),most people can enjoy the sport. T___ by train is the most comfortable way . 1.They won't make it _____ they work very hard.-I agree with you.They _____ try their best.A.if;may B.unless;must C.unless;may D.if;must 2.I know you won't go there by air,but by train __.-You're ______ right.I've ordered one ticket at the train stat 连词成句：the,in,the,train,is,Shanghai,most,airport,train,modern,world,the(.) by __ train 是用a 还是the 还是/ I __ (肯定) he is going there by train Half an hour ____(pass) since the train __(leave). When ___the train __?In half an hour. half an hour ___(pass) since the train __(leave)