________ Yao Ming has retired from the NBA，the pleasure we have got by watching him play basketball at home and abroad will last long.
| A．Although | B．If |
| C．Since | D．Once |
I don’t know ________ is in charge of English department.
| A．that | B．which | C．who | D．where |
---Susan is so excited!
---Oh, yes! She is busy preparing for her trip to Africa that she _____ for years.
| A．has been expecting | B．was expecting |
| C．had been expecting | D．would be expecting |
I know a little bit about Italy as I _____ there several years ago.
| A．went | B．had been |
| C．are going | D．have been |
It is the first time that Michel _______ the Summer Palace.
| A．is visiting | B．visits |
| C．has visited | D．will visit |
--- Jenny, do you remember the first time we met?
--- Sure. You ______ the suitcase at the airport.
| A．were carrying | B．carried |
| C．have carried | D．had carried |