The seat belt ( ) the flight attendant before the plane took off.<br/><br/>- was fastened by<br/>- was fastening<br/>- has been fastened by<br/>- was fastened<br/><br/>They produced a prototype ( ) we could assess its pertinence.<br/><br/>- in order<br/>- so than<br/>- so that<br/>- in order to<br/><br/>As she( )out of the taxi, it started to rain.<br/><br/>- was getting<br/>- gets<br/>- has gotten<br/>- getting<br/><br/>If you take the bus on a regular basis, you ( ) buy a weekly pass.<br/><br/>- ought<br/>- should have<br/>- should<br/>- ought to have<br/><br/>The colleague ( ) car broke down wanted to go faster.<br/><br/>- whose<br/>- which<br/>- whom<br/>- who's