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21. He has some trouble his classmates, but he has no trouble ______ doing his lessons.
A. with; with B. in; in C. with; in D. in; with
22. She asked us late for the party.
A. don’t be B. not be C. not to be D. to not be
23. My mother asked me ______ enter my room.
A. whether she could B. whether could she
C. whether she can D. whether can she
A. with; with B. in; in C. with; in D. in; with
22. She asked us late for the party.
A. don’t be B. not be C. not to be D. to not be
23. My mother asked me ______ enter my room.
A. whether she could B. whether could she
C. whether she can D. whether can she
