Updated 2026-08-28intermediate

Duolingo English Test Complete the Sentence Practice #3 — Intermediate Level

Free DET (Duolingo English Test) Complete the Sentence practice #3 — Intermediate level. Just DET Reading & Vocabulary questions, no grading — solve it yourself and check the answer or model response.

How to practice: This set collects only the Complete the Sentence question type from the real DET (Duolingo English Test) — DET Reading & Vocabulary questions. No grading, no timer — solve it yourself, then tap each question to reveal the answer or model response.
Q1 · Fill in the Blank
When I travel by train, I always enjoy looking out the window and _______.
  1. A. watching the changing landscapes
  2. B. bought a new suitcase
  3. C. had already arrived at the airport
  4. D. was checking my reservation
Show Answer
Correct: watching the changing landscapes
Q2 · Fill in the Blank
The tour guide explained that the ancient temple was built over _______ years ago.
  1. A. two thousand
  2. B. very quietly
  3. C. some delicious
  4. D. already traveled
Show Answer
Correct: two thousand
Q3 · Fill in the Blank
Before boarding the plane, all passengers must go through security and _______.
  1. A. present their boarding passes
  2. B. visited the duty-free shops yesterday
  3. C. the flight was delayed
  4. D. luggage had been checked
Show Answer
Correct: present their boarding passes
Q4 · Fill in the Blank
Traveling to a foreign country is a great opportunity to _______ a new language.
  1. A. practice speaking
  2. B. already spoken
  3. C. had been learned
  4. D. were listening to
Show Answer
Correct: practice speaking
Q5 · Fill in the Blank
The hotel offered a free shuttle service that took guests directly _______ the airport.
  1. A. to and from
  2. B. inside of traveling
  3. C. beyond and around
  4. D. despite having
Show Answer
Correct: to and from
Q6 · Fill in the Blank
Many experienced travelers recommend packing light so that you can _______ more easily.
  1. A. move around
  2. B. had been waiting
  3. C. were already delayed
  4. D. booked the tickets
Show Answer
Correct: move around

More complete the sentence sets at other levels · Browse the full DET question bank