Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.
Thistest________anumberofmultiplechoicequestions.
Wooddoesnotconductelectricity;________.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
________(fail)severaltimes,theyneedsomeencouragement.
Tosucceedinascientificresearchproject________.