Answer:
a. We <u>used to</u> go to school together.
b. How did you <u>use to</u> spend the winter evenings?
c. We <u>used to </u>have our milk delivered.
d. I <u>used to</u> be in love with him.
e. At one time there <u>used to</u> be trees in the garden.
Answer:
Air Masses are warmer air while front is an area of cold air that comes out warm. Font is a place where two of the air masses meet. Font is the borderline between an air mass.
Let me know if I was correct? Hope I could be of help!
Explanation:
The process where the programmer steps through each of the program's statements one by one is called
.

Answer:
Option b outFile.open("outputData.out");
Explanation:
In C++, there are several classes given to handle output and input of characters to or from files. They are:
- ofstream that write on files
- ifstream that read from files
We can use an object of ofstream to hold the contents that we wish to output to an external file. The general syntax is as follows:
ofstream_obj.open(file_name)
This will create a file with a specific file name and it possesses all the contents from the obstream_obj.