— Joe, what about going to Belgium for our coming holiday?
— Sorry, honey, I _________ on the newly discovered dinosaur site in Argentina. There are remains of what is thought to be the largest creature ever to walk the earth.
| A．was working | B．work |
| C．will be working | D．worked |
We can’t walk there. _________, we must find a taxi.
| A．Though | B．Anyway | C．Otherwise | D．However |
I feel so excited! At this time tomorrow, I ________ by camel with local guides in Northern Africa.
| A．travel | B．travelled | C．will be travelling | D．have travelled |
I’m trying to lose weight because I _______ my figure.
| A．am proud of | B．am ashamed of |
| C．am dying for | D．am happy with |
Some amazing people _______ our world for the better in the past 100 years.
| A．change | B．are changing | C．have changed | D．had changed |
_______ was a struggle for me to remember all the strange faces and new names.
| A．It | B．That | C．There | D．This |