1. The baby ________ at all.
A) not eats
B) eats not
C) do not eat
D) does not eat

2. ________ finished the task, he couldn’t take a vacation.
A) Had not
B) Have not
C) Not having
D) Having not

3. ________ you are not ready, let’s start later.
A) If ‘
B) Unless
C) Because of
D) But

4. Keeping early hours as well as ________ regular physical exercise is essential for your health.
A) do
B) does
C) to do
D) doing