Choose the correct tense based on the square-bracketed tense:
0 of 10 answered
01Refugees may have to ______ across international borders during times of crisis. [Base Form]
02The suspects ______ the scene before the arrival of the police officers. [Past Simple]
03Thousands had ______ their homes following the outbreak of armed conflict. [Past Participle]
04There is a practical limit to the total weight of aircraft that can be made to ______. [Base Form]
05The executive ______ to Singapore yesterday to attend the emergency board meeting. [Past Simple]
06When a new aeroplane is being made, only one of the first three will be ______. [Past Participle]
07Company regulations strictly ______ employees from using confidential files for private gain. [Base Form]
08To ______ a thing one day and excuse it the next is no foundation for morality. [Past Simple]
09Slaves and women were ______ to compete in the ancient Olympic games. [Past Participle]
10Don't ______ that speed reading material should entertain you and not be too difficult. [Base Form]