Question

21. Tell her ________for school again.

a. not late b. not being late c. not to be late d. not be late
22. Mr. John allowed his children __________ English.
a studying b. study c. to study d. to studying
23.She glanced briefly ________ his lapel badge.
a. in b. on c. at d. up

Answer 1

For the first one it’s C,the second one it’s C, the third one is C so all of them is C

Answer 2

21. not to be late

22. study

23. at