Answer: helps; sleep;want;need;knows
Step-by-step explanation:
The simple present or present simple tense is a verb tense which is used to express repeated actions, habit or generalized truths. it shows that an action is happening at the moment or happens constantly. Here the correct present simple tense is given as
1.My friend _helps___ me.(he|p)
2.I _sleep___ late on Saturday.(sleep)
3.Does he want___ to take admission in the school? (want)
4.Do you _need____ some help?(need)
5.She _knows____how to speak Chinese?(know)