Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Iwonderifhecouldgetit________(do)beforetomorrow.
Tosucceedinascientificresearchproject________.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.