（)bird is（)animal that can fly.
A: A.A; an
B: B.The; a
C: C.An; an
D: D.A;a
A: A.A; an
B: B.The; a
C: C.An; an
D: D.A;a
举一反三
- ____ bird can fly. A: A B: An C: The
- ______bird can fly A: A B: An C: /
- A bird can ______ but I can’t.() A: flies B: flying C: flew D: fly
- An increase in load on a diesel engine results in _____ of speed of the crankshaft. A.a reduction B.an increase C.an outing D.a downwards
- 下列代码中的“this”指的是（）。 A: bird B: fly C: bird或fly D: 不一定