We all know the _____ of learning English well.
A. important B. importance
C. different D. difficult
The room must _____ up right now. It’s too dirty.
A. be cleaned B. be cleaning
C. clean D. cleaned
, the rain stopped when we went out for a walk.
A. Lucky B. Luck C. Luckily D. Luckless
The old man lived but he didn’t feel .
A. alone; lonely B. alone; alone
C. lonely; alone D. lonely; lonely
It was dark I couldn’t see anything.
A. too; to B. such; that
C. so; that D. as; as
We must help each other and _____ each other.
A. learn B. learn to
C. learn from D. learn with