1.写出下列的动词的现在分词 sing buy learn think go climb see read visit

singing buying learning thinking going climbing seeing reading visiting having eating dancing helping getting rowing drinking raining snowing skiing 1Are they drawing pictures?yes.they are/no.they aren't 2Are you having an english class now?yes,we are/no,we aren't 3Is Jack playing piano in the art room?yes,he is/no.he isn't 4Is dick going boating on thr lake?yes,he is/no.he isn't 5Are the boys playing games in thr park?yes,they are/no,they aren't 6Are the students dong morning exercises?yes,they are/no,they aren't 7Is the sun shining outside?yes,it is/no,it isn't 8Is kate reading books in the library?yae,she is/no,she isn't 9Is the bus coming yes,it is/no,it isn't 10Are the birds singing on the tree?yes ,they are/no,they,aren't