This company was the first _____ portable radios as well as cassette tape recorders in the world．
| A．producing | B．to produce | C．having produced | D．produced |
It is in England ________ the Olympic Games will be held.
| A．when | B．while | C．which | D．that |
The man didn’t admit _________ anything at the store, when he was questioned by the police.
| A．to steal | B．having stolen | C．to have stolen | D．having been stolen |
They spent the afternoon _________ in the street, not knowing what to do.
| A．putting on | B．blocking out | C．holding out | D．fooling around |
If you say that someone is ________ for a shock or a surprise you mean that they are going to experience it.
| A．out | B．in | C．at | D．on |
We wouldn’t go abroad for our vacation _______ we could afford it.
| A．as if | B．so that | C．in case | D．even though |