Apple trees are considered mature when they begin ________ fruit.
A: having
B: bearing
C: producing
D: making
A: having
B: bearing
C: producing
D: making
举一反三
- Apple trees are considered _____ when they begin bearing fruit. A: young B: old C: mature D: immature
- Apple trees are considered _____ when they begin bearing fruit. A: immature B: amateur C: grown-up D: mature
- 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 .