Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Herefusedtotelluswhetherhe________(undertake)thejob.
Night________(fall),wehurriedhome.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
You________gonow.It’sgettinglate.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
