“河上有几艘船。“下列翻译正确的一项是：
A. There is some boat in the river.
B. There are some boats on the river.
C. There are some boat on the river
"莎莉正在看一艘大船。"以下翻译正确的是：
A. Sally is looking at a big ship.
B. Sally is look at a big ship.
C. Sally was looking at a big ship.
"他们正在做什么？"以下翻译正确的是：
A. What they are doing ?
B. What are they doing?
C. What doing they are?
v. 跳
A. jump
B. sleep
C. wash
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