[ Grammar ]
One of the most important responsibilities of a manager is ____ team morale.
A. maintain
B. to maintaining
C. maintaining
D. to maintain

Random Topics:
Asking & Giving AttentionPresent TensesConditionals Type IConnectorsPresent/Future/Past Simple/Present PerfectVerbal CommunicationConditional and Mix Conditional SentenceIntensifiers: Really vs VeryVerb & GrammarModal Verbs and PermissionOther quiz:
Grammar › View“I would like you not to play computer games any more, Amber” said her mother.
A. Amber’s mother would rather she doesn’t play computer games any more.
B. Amber’s mother would rather her not to play computer games any more
C. Amber’s mother would rather she didn’t play computer games any more.
D. Amber’s mother would rather she wouldn’t play computer games any more.
Grammar and Vocabulary › View
Authors have ________ that robots will rule the Earth in the future.
A. invented
B. keep up with
C. predicted