-- Do you know why he left so early ?--__________ for the English test, I guess..
A stone hit _____ and he fell down on the ground.
-Must I use both hands? -Yes, you _____.
It’s difficult _____ us to remember new words.
You should _____ some English every day. It’s good for your vocabulary.
I’m sure you know the difference _____”look for” and “find”.