Some molecules are large enough ________ (see) under the electronic microscope.
to be seen
暂无解析
Night________(fall),wehurriedhome.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Howlong________they________(dig)theditch?
“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”
Iknowitisn’timportantbutIcan’thelp________aboutit.
