c. has been
Answer: c. has been
6. Did you know he's been teaching German _____ fifteen years?
Baca Juga: Rumus, Fungsi, dan Struktur Present Perfect Tense dalam Kalimat
a. before
b. since
c. for
Answer: c. for
7. We have been watching TV _____ we had dinner.
a. for
b. since
c. by
| Penulis | : | Aldita Prafitasari |
| Editor | : | Nabil Adlani |
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