Talk to your teacher and you will get help ________ you have a problem.
| A．unless | B．if | C．until | D．so |
- Hey，Clark.Would you like to have a picnic with us this weekend？
- Sorry，I'll have an exam next Monday，so I ______ prepare for it.
| A． |
can |
| B． |
may |
| C． |
must |
Although the Yangtze is the longest river in China，it is ______ than the Nile，the longest river in the world.
| A． |
short |
| B． |
shorter |
| C． |
the shortest |
- The watch in your hand looks nice.Is it ______？
- Yes，but I will give it to Kate as ______ birthday present.
| A． |
your，her |
| B． |
yours，hers |
| C． |
yours，her |
- Becky，do you know ______ woman there？
- Oh，she is my neighbor.She is ______ excellent volunteer.
| A． |
an；an |
| B． |
the；an |
| C． |
the；the |
﹣ I'm excited about Huawei's new smartphones.Do you know ？
﹣ Next month.（ ）
| A． |
how can I get one |
| B． |
when will they come out |
| C． |
how I can get one |
| D． |
when they will come out |