I wish to thank Professor Smith,without _____ help I would never have got this far.(2012 .天津)
| A．who |
| B．whose |
| C．whom |
| D．which |
My sister’s flight______ and I want to see her off at the airport.
| A．takes off | B．is taking off |
| C．was taking off | D．took off |
Mom called me and asked if I__________ .
| A．recovered from my illness yesterday |
| B．had recovered my illness the day before |
| C．had recovered from my illness the day before |
| D．was recovering from my illness yesterday |
Mandela met a lot of difficulties, he still fought for the equal rights of his people.
| A．Unless | B．Since |
| C．Even if | D．As if |
iPhone 6s have been on sale for over a month, but they are still hardfor Chinese.
| A．to be bought | B．bought |
| C．to buy | D．buy |
Sometimes we need true friends’ shoulders ____we can cry to free ourselves from pain.
| A．by which | B．on which |
| C．in which | D．with which |