_______to reach them on the phone, we sent an email instead.
| A．Fail | B．Failed | C．To fail | D．Having failed |
He’s wearing a pair of sunglasses to protect his eyes ________ the strong sunlight．
| A．from | B．in | C．to | D．with |
I planned ________ to see you last week, but I was ill.
| A．to have come | B．to come | C．to be coming | D．to have been coming |
.While building a tunnel through the mountain, ________ .
| A．an underground lake was discovered | B．there was an underground lake discovered |
| C．a lake was discovered underground | D．the workers discovered an underground lake |
The train ________ arrive at 11∶30, but was an hour late.
| A．was about to | B．was likely to | C．was supposed to | D．was certain to |
.The two ladies are ________ the same age, but there seems to be ten years ________ them.
| A．at, between | B．about, among | C．as, among | D．of, between |