Answer: a. mustn't
3. My mother will ________ wait in line like everyone else.
a. must
Baca Juga: Kumpulan Soal dan Jawaban Bahasa Inggris Materi Colour Idiom
b. have to
c. has to
Answer: b. have to
4. Bicyclists _____ remember to signal when they turn.
a. mustn't