Skip to content
KitWren
toeflTOEFL preparation courseReadingReadingabout 15 min

Complete the Words

Complete the missing letters in an academic paragraph by using grammar, meaning and word families.

In this lesson you will

  • Use grammar clues to decide the word form
  • Use meaning and collocations to find the word
  • Check spelling of common academic words

Learn

In Complete the Words you see a short academic paragraph where some words have their second half missing. You type the missing letters.

Use grammar: after the you need a noun or adjective; after to often a verb; plural subjects need plural verbs. Researchers ha___ found → have.

Use meaning: read the whole sentence. Over thous___ of years → thousands. Collocations help: make a deci___ → decision.

Check spelling: double letters (accommodate), endings (-tion/-sion, -ance/-ence) and plurals. Read the completed paragraph once more at the end.

Examples

  • “Ea___ polyp” → Each
  • “These skeletons accu___ over time” → accumulate
  • “a sm___ part of the ocean floor” → small

Vocabulary

word family

words from the same root: decide, decision, decisive

collocation

words that often go together

“make a decision”

suffix

letters added at the end: -tion, -ment

clue

information that helps you find an answer

context

the words around a word

Practice

1 / 7

Type the missing letters.

Plants use sunlight to prod energy.

Lesson quiz

1 / 4

Type the missing letters.

The experiment was repea three times.

Review

Key points

  • Grammar decides the form.
  • Meaning and collocations decide the word.
  • Check spelling and re-read.

What you learned

  • ✓ I can use grammar clues.
  • ✓ I can use context and collocations.
  • ✓ I check spelling carefully.

KitWren is independent and not affiliated with ETS. This is original practice written by KitWren, modelled on the task types introduced in January 2026; it is not official TOEFL material. Any score shown is an educational estimate — not an official TOEFL score. Check ets.org for the current test format.