10 free TOEFL iBT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
TOEFL iBT Practice Test 3Tutor mode
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Seeds That Wait
Many wild plants produce seeds that do not sprout as soon as they land on the ground. This postpo______ (1), known a_ (2) dormancy, i_ (3) a surv____ (4) strategy: prem_____ (5) germination co___ (6) expose fra____ (7) seedlings t_ (8) freezing temper______ (9). In cer____ (10) species, the seed coat is so hard that water cannot enter until it has been worn down by soil and weather. Others remain inactive until they have experienced a long cold period, which keeps them from sprouting during a brief warm spell in autumn.
Seeds That Wait, gap 1: postpo______ (…ground. This postpo______, known a_…). Type the missing letters.