He failed the mid-term examination and only then _______ how much time he had wasted.
| A．had he realized | B．did he realize |
| C．he had realized | D．he realized |
Generally speaking, students’ inner motivation with high expectations from others essential to their development.
| A．is | B．are | C．was | D．were |
In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world.
| A．whatever | B．whoever | C．wherever | D．whichever |
Lionel Messi ，the record for the most goals in a calendar year, is considered the most talented football player in Europe.
| A．set | B．setting | C．to set | D．having set |
—Thank you for the flowers.
— . I thought they might cheer you up.
| A．That’s right | B．All right | C． It’s all right | D．I’ m all right |
The good result ________ the correct methods, that is to say, correct methods ________ good result.
| A．lies; lead | B．leads to; lie in | C．lies in; lead to | D．lies to; lead to |