—All the building materials have been washed away.
—So I have heard. But there was no sign ____ a heavy rain was on the way last night.
| A．when | B．that | C．which | D．If |
----- May I put my luggage on the seat beside you, madam? If it is free?
-----________ .
| A．Sure, with pleasure | B．Oh, please yourself |
| C．Well, never mind | D．Yes, help yourself |
It is __________ that everyone in the country likes to play it.
| A．so an interesting game | B．so a interesting game |
| C．such interesting a game | D．such an interesting game |
The light is still on. They ___ to turn it off when they left the room.
| A．must forget | B．could have forgotten |
| C．may forget | D．must have forgotten |
I often have conversation with John over _____ phone, but keep in touch with Tom by writing
_____ letters.
| A．/; the | B．/; a | C．the; / | D．the; a |
Whenever I was in trouble, he would do what he could _____ me.
| A．help | B．helping | C．to help | D．helped |