___________ the chapter four times, and I finally understand the author’s theory．
| A．Reading | B．Having read | C．To read | D．Read |
---Where is my reference book? It was here a moment ago.---Someone ___ it by mistake.
| A．could have taken | B．must take | C．might take | D．must have taken |
Ireland lies ___ of Britain.
| A．in the east | B．in the west | C．to the east | D．to the west |
The boy promised ___ mother never to lie to ___ again.
| A．his, him | B．her, her | C．his, her | D．her, him |
We may learn ___ English well by ___ it.
| A．speaking, spoken | B．spoken, speaking | C．spoken, spoken | D．speaking, speaking |
--Didn't you have a wonderful time ? ---____.
| A．Yes, I didn't | B．Yes, I did. | C．No, I did | D．Yes, of course not |