He must have been working really hard these days. This morning, I even noticed ______ behind his ears.
| A．grey hair | B．grey hairs | C．the grey hair | D．much grey hair |
She was so _______ that she wouldn’t give in until she received a full apology.
| A．simple | B．lucky |
| C．stubborn | D．proper |
As ______ matter of fact, the beauty of ______ nature there made an excellent impression on me.
| A．the; a | B．/; the |
| C．a; / | D．a; the |
-- I hear Alice was badly injured in the accident and sent to hospital.
---_______, we should go and see her immediately.
| A．If so | B．When necessary |
| C．On condition that | D．Believe it or not |
Mr. Brown’s condition looks very serious and it is doubtful if he will ________.
| A．pull back | B．pull up |
| C．pull through | D．pull out |
When talking about doing exercise, you should choose an activity that you enjoy and _____ that you will stick with.
| A．the one | B．one |
| C．不填 | D．another |