Directions: Read the passage given below and answer the questions from the options given below.
An Alien In Class.
It was Monday morning. All (43) ___ children were seated on their seats. (44) ____ teacher took attendance. In the midst of all this (45) __door opened, (46) ____ alien walked in. (47) __ teacher did not notice that it was looking different from other children. The alien greeted (48) ___ teacher and sat down. All (49) __ children were looking at that alien. After taking attendance (50) __ teacher looked up.