____ they are closest friends is not clear though they live together.
| A．That | B．If | C．What | D．Whether |
It_____ have been Tom that parked the car here, as he is the only one with a car.
| A． | may | B． | can | C． | must | D． | should |
－Wow! You’ve got so many clothes. 
－But _____ of them are in fashion now .
| A．all | B．both | C．neither | D．none |
Four Chinese models were ______ the 14 people awarded prizes on Friday at the World Supermodel Competition.
| A．among | B．between | C．along | D．beside |
Life is like a long race _____we compete with others to go beyond ourselves.
| A．why | B．what | C．that | D．where |
Unsatisfied ______with the payment ,he took the job just to get some work experience.
| A．though was he | B．though he was |
| C．he was though | D．was he though |