What do you want to be in the future，Nick？
I want to be__________ pilot．It is________ exciting job．（ ）
| A． |
a；a |
B． |
a；an |
C． |
the；an |
D． |
a；the |
Great changes have taken place in our hometown over the past years．
Yeah． Things ______ different when we were young．（ ）
A．have beenB．areC．will beD．were
Be patient! Give him more time，______ he will find the answer to the question on his own．（ ）
A．butB．orC．andD．so
Mum won't let Simon go out unless he promises to be back ______ 10 o'clock tonight．（ ）
A．tillB．beforeC．asD．since
Not only children but also my husband ______ crazy about the movie Operation Red Sea （《红海行动》（ ）
A．isB．areC．amD．be
Amazing China （《厉害了，我的国》）wins high praise from the public． I think the documentary is well worth ______．（ ）
A．watchB．to watchC．watchingD．watched