Math
Solve the entire problem set, and we will provide you with feedback including an error log after grading.
1 + 1 = ?
1
2
3
4
3 * 2 = ?
4
5
6
7
2 * ( 4 - 2 ) = ?
6
1
3
4
2 + 4 * 3 = ?
18
24
14
16
English
Solve the entire problem set, and we will provide you with feedback including an error log after grading.
I ______ a boy.
am
are
is
will
You _____ a girl.
am
are
is
will
A: How are you?
B: ___________________
B: No, I am not.
B: Yes, you can.
B: I will do it.
B: Fine, thank you, and you?
A: Thank you.
B: __________________.
B: You can do it.
B: You're welcome.
B: Yes, I can.
B: Good morning.
Your total score is 
/ 200. (Correct answer rate: %)
Math score: / 100.
English score: / 100.
Lacking a lot!
Need more effort!
Very good!
Excellent!
Incorrect answer note for Math.
All Math is correct! Excellent!
You got out of 4 questions wrong on Math.
1 + 1 = 2
You have answered .
3 * 2 = 6
You have answered .
2 * ( 4 - 2 ) = 2
You have answered .
If there are parentheses in a formula, always evaluate inside the parentheses first.
2 + 4 * 3 = 14
You have answered .
If addition, subtraction, multiplication, and division are mixed in the formula without parentheses, multiplication and division must be calculated first.
Incorrect answer note for English.
All English is correct. Excellent!
You got out of 4 questions wrong on English.
I am a boy.
You have answered .
It is correct to use 'am', the present tense of the verb 'be' in the first person.
You are a girl.
You have answered .
It is correct to use 'are', the present tense of the verb 'be' in the second person.
A: How are you?
B: Fine Thank you, and you?
You have answered .
It is an expression that is used idiomatically.
A: Thank you.
B: You're welcome.
You have answered .
This is an idiomatically used expression.