My boss told me _____ to ask for help. 

Do you know _____ to do if your are bitten by a snake?

Ji’m found two shirts he liked, but he had trouble deciding _____ one to buy.

The note on the desk will tell you _____ to meet us.

I want to improve my English speaking skills, but I don’t know _____ to do that.

I want to know how I can get to Taipei Main Station from Taoyuan Airport.

I really have no idea what I should bring back for my family. 

I have two cats. One is black, and _____ is white.

There are only three people in my store. One is a student. _______ is an office lady. The other is a salesman. 

The students in the classroom are quiet. _____ of them are doing their homework. The others are reading. 

There are many students in the library. Some are reading. _______ are resting. Still others are surfing the Internet. 

There are many books on the table. Some are novels. Other ______ are magazines. Still other books are comic books.

In the classroom, some students are sleeping.  Others are chatting. _____ are reading.

Ryan is in _____ need of his medicine, or he may become too weak to stand.

My sister loves to ______ her toy rubber ducks on the water when she takes a bath.

This laptop is on sale. The price has been ______ from twenty thousand to ten thousand dollars.

 Despite the bad weather, the boat arrived at the shore without ______.

Don’t throw your trash into the river! You will ______ the water.

I was w______g who put this love letter in my desk drawer.

When Tim’s new smartphone fell from his hands, he took a deep ______.

 My character in the mobile game ______ the attack although it was almost beaten.

The little boy didn't know how to find his way home. 

We haven't decided where to go for our summer vacation.