组成 (consist的第三人称单数)
选择每个问题的最合适的答案。- 问题 1 :
The trophonema ________ of 50–60 trophocytes that maintain contact with <1% of the oocyte surface and forms a circular, bowel-shaped depression on the luminal surface of the gastrodermis as they sink into the mesoglea with the oocyte.
- consisting
- consisted
- consists
- consist
- 问题 2 :
Until then his life had _________ of low-paying jobs, numberous unemployments, and drug use.
- consisting
- consisted
- consists
- consist
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