If you___bright sunlight___dry wood with a magnifying glass,it will start burning
| A．expose;to |
| B．concentrate;on |
| C．aim;at |
| D．focus;on |
Only when I left my parents for Italy __________how much I loved them.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
I felt so bad all day yesterday that I decided this morning I couldn’t face ________ day like that.
| A．other | B．another | C．the other | D．others |
Years ago we didn’t know this, but recent science _______ that people who don’t sleep well soon get ill.
| A．showed | B．has shown | C．will show | D．is showing |
Zheng says that the most dangerous thing about a credit card is____ a person isn't always aware of the fact____ he's spending money.
| A．that; that | B．what; that | C．that; what | D．what; which |
He made up an excuse for his mistake in order to avoid_________.
| A．punishing | B．to punish | C．to be punished | D．being punished |