Some molecules are large enough ________ (see) under the electronic microscope.
to be seen
暂无解析
Iwishyou________likethat.
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
Iwonderifhecouldgetit________(do)beforetomorrow.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
