I’ll never forget such a beautiful place __________ I spent my childhood there with my grandparents.
| A．because | B．where | C．which | D．when |
Of the two sisters, Betty is_______ one, and she is also the one who loves to be quiet．
| A．a younger | B．a youngest | C．the younger | D．the youngest |
Letterboxes are much more _______ in the UK than in the US, where most people have a mailbox instead.
| A．common | B．normal | C．ordinary | D．usual |
I wish you’d do ________ talking and some more work. Thus things will become better.
| A．a bit less | B．any less | C．much more | D．a little more |
Green products are becoming more and more popular because they are environmentally _____.
| A．friendly | B．various | C．common | D．changeable |
Fitness is important in sport, but of at least_______ importance are skills.
| A．fair | B．reasonable | C．equal | D．proper |