I was giving a talk to a large group of people, the same talk I ____ to half a dozen other groups.
| A．was giving | B．am giving | C．had given | D．have given |
The city is no longer ________.
| A．what it is | B．that it used to be | C．which it was | D．what it used to be |
The little boy ate ________ his mother gave him.
| A．that | B．which | C．whatever | D．no matter what |
He didn't know which room ________.
| A．they lived | B．they lived in | C．did they live | D．did they live in |
________ I think he is Charles.
| A．Who do you think he is | B．Do you think who he is |
| C．Whom do you think he is | D．Do you think who he is |
The subject of "What is interesting is that I do not even know him." is_______.
| A．what | B．interesting | C．What is interesting | D．I |