______ exceptionally heavily might railway services be temporarily dislocated (扰乱).
| A．If only it snowed | B．Only in case it snows | C．Only were it to snow | D．Only when snow |
---Do you know when she _________?
---Sorry, I don’t. But I’ll let you know when she _________.
| A．comes, comes | B．comes, will come |
| C．will come, will come | D．will come, comes |
The buildings in this modern city are growing tall, some even reaching over 400 meters _______ height.
| A．at | B．for | C．in | D．on |
—Can you come to help us with our work by 5 o’clock?
—I don’t know if I can help；________.
| A．that’s a pity | B．it all depends |
| C．you are welcome | D．that’s a pleasure |
________ I really don’t art, I find his work impressive.
| A．As | B．Since | C．While | D．If |
—How do you feel your travel to Hainan?
—________，I enjoyed it very much，although the weather of some days was unpleasant.
| A．In addition | B．On the whole | C．In other words | D．On the other hand |