Two years ago, Lucy was weak _____ English, but now he is good ______ it.
________ his new sunglasses _______ Tony look mysterious.
Excuseme,couldyouhelpme?Idon’tknow_________exchangemoney.
We will write a letter to you as soon as I________free time.
We heard someone________in the next room.
________our surprise,he went out of the forest by himself.