一道英语题Mike with his parents ＿from the USA.为什么横杆上要填 is 而不是are?

Tom is from the usa.his hobby is collectin stamps英语什么意思 Mike _(call) his friend on the phone now.为什么是（calling)而不是（is Are the ()parents from the USA?NO.they are from England.A tw Mike is practicing the conversation () his parents.填介词 Tom with his friends （ is ） playing soccer.为什么是is而不是are? _____ are from the USA The boy is playing with dolls,and his parents are seeing.有错吗 Mike is wearing his sunglasses to_____his eyes from the sun. 请听短文，选出正确答案，短文读两遍。 1. Mike is from _____. A. the USA jim with his parents is还是are taking photos His parents are doctors.为什么谓语是are doctors 而不是are? jim with his friends ()in the pool now ,这里为什么填is swimming而不是