Apple trees are considered _____ when they begin bearing fruit.
A: young
B: old
C: mature
D: immature
A: young
B: old
C: mature
D: immature
举一反三
- Apple trees are considered _____ when they begin bearing fruit. A: immature B: amateur C: grown-up D: mature
- Apple trees are considered mature when they begin ________ fruit. A: having B: bearing C: producing D: making
- Peach trees are considered _______ when they begin bearing fruit.
- The apple trees fruit
- $fruit="apple" echo 'this is an $fruit.'的输出结果是（ ） A: this is an $fruit. B: this is an $apple. C: this is an apple. D: this is an .