Roses need special care_______they can live through winter.
| A． because | B． so that | C． even if | D． as |
She________the opportunity，but unfortunately she just let it go.
| A．should have taken | B．must have taken |
| C．needn't have taken | D．can't have taken |
I don't remember who came first，but we all________the lecture.
| A．attend | B．attended |
| C．have attended | D．are attending |
We can't avoid negative thoughts，but we should make it a habit to replace each negative thought with a positive________．
| A．one | B．ones |
| C．the one | D．that |
Clive Palmer，the designer of Titanic II，________to answer questions about the project's cost.
| A．abandoned | B．declined |
| C．decreased | D．regretted |
The couple's birthday this year happened to fall on ________ same day，________Monday in September.
| A．the；/ | B．a；/ |
| C．a；the | D．the；a |