—Long time no see. _____
—Very well, and you?
| A．How do you do? | B．Oh really? | C．How are you doing? | D．What about you? |
The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her．
| A．paying | B．offering | C．spending | D．charging |
The international agreement, __________to help people kick off the habit of smoking, was signed two years ago.
| A．intended | B．intending |
| C．intends | D．to intend |
The fact has worried the people across the world ___________ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．where |
A college student had stayed up all night, _______ for his test the next day.
| A．studied | B．having studied | C．to study | D．studying |
–Guess what! Alice has failed in the exam.
– ____? She is second to none in English in our class.
| A．How is it | B．How come |
| C．What | D．What is it |