ExcelEnergyCorporation'snewonlinetrainingprogramhas_______(interact)featuresandforumdiscussionsfortrainees.

Theyfulfilledtheplanmuchearlierthanthey_____

Theonly______(effect)waytodevelopinternationalskillsandperspectivesisthroughdirectinternationalexperience

All_____fortimeoffmustgothroughtheHumanResourcesDepartmentfirst.

Thelittlegirlisignorant_____thebasicrulesofEnglishgrammar。