________I want to tell you is the deep love and respect I have for my parents.
| A．That | B．Which | C．Whether | D．What |
________ astronauts cannot go to a baseball game or a movie in orbit , there are many familiar activities that they can still enjoy.
| A．While | B．Since | C．Before | D．Unless |
--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination
| A．have just thought of | B．was just thinking of |
| C．will just be thinking of | D．would just think of |
The European Union universities are _______ most attractive because they have ______ diversity of cultures and teaching methods.
| A．the , a | B．a , a | C．a , the | D．the , the |
--- Thank you for the flowers
--- _______ . I thought they might cheer you up .
| A．That’s right | B．All right |
| C．I’m all right | D．It’s all right |
Seldom ____ any mistakes during my past few years of working here.
| A．would I make | B．did I make | C．I did make | D．shall I make |