Li Hua made lots of foreign friends while studying in London, were from Italy.
| A．many of them | B．many of which |
| C．many of whom | D．many of whose |
Engineering is ______ challenging course of study that requires ______ thoroughunderstanding of mathematics and science.
| A．the; a | B．a; the | C．不填；不填 | D．a; a |
Vincent is a(an) .He likes travelling to the places where there are few people.
| A．writer | B．explorer | C．worker | D．teacher |
Look ,the apartment that isthere belongs to us.
| A．built | B．build | C．being built | D．being build |
-----“The money in our classroom is lost, who do you think steal it？”Jack says.
----Veny is said the money.
| A．to steal | B．to stealing | C．to have stolen | D．have stolen |
------Tony, are you listening to me ？
------Sorry sir, I to understand what you said just now.
| A．try | B．was trying | C．tried | D．have tried |