--You forgot your keys when you left home in the morning.
--Good heavens,___________.
| A．so did I. | B．so I did. | C．so you did. | D．so did you. |
An advantage of being the youngest child in his family is __________he gets a lot of attention.
| A．that | B．whether | C．why | D．when |
His study was a mess with lots of books and magazines __________up everywhere.
| A．to pile | B．having piled |
| C．piled | D．to be piled |
--Oh, I __________my passport!
--Don’t worry. We have time to go back home and get it.
| A．forget | B．forgot |
| C．will forget | D．had forgot |
While looking for some personal documents, I happened to see an album __________some old photographs.
| A．contained | B．to contain |
| C．containing | D．being contained |
It is more important than ever to develop one’s maths, science and computer skills _______technological change is accelerating.
| A．though | B．unless | C．until | D．because |