Viết lại câu

3
.
 The number of people travelling through the airport was highest in August.(REACHED) 
 
 
→
 The number of people travelling through the airport ___________________ in August.
 
 
4
.
 The shares index fell slightly before recovering to its previous level. (BRIEF) 
 
 
→
 There _____________________ the shares index before it recovered to its previous level.