____ aware of the danger ahead, he took on the task without hesitation.
The boy is very brave. I _______ he ________ the tall tree.
Choosing a mobile phone for personal use is not an easy task because technology ________ so fast.
— What do you think of the first lecture by Ms Li?—Well, it’s quite _______ and all of us are quite ______ at it.
The academic report was ________ a failure; it was a great success.
It is often said that _________ teachers live _________ very easy life.