1.There is a big lake near the mountain(对 a big lake 提问)
1.There is a big lake near the mountain(对 a big lake 提问)
2.The fog on the lake is lifting little by little.(对is lifting little by little提问)
3.There id a paper boat floating on the lake(变为复数句)
4.She threw the ball so high that I couldn't catch it(用to...too...变为同义句)
5.They are rowing a boat on the lake(对are rowing提问)