Mr.Yang,along with a number of students,experiments in chemi

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Mr.Yang,along with a number of students,experiments in chemistry in the lab at that moment.
A does
B do
C was doing
D were doing
为什么呢?讲讲吧

at that moment 说明只能用进行时,故排除A,B.而如果像这样,句中有with或along with,那么谓语动词就和其前面的主语保持一致,例如：He with his friends is watching TV now.所以句中谓语动词应与Mr.Yang保持一致,故选C喽

1.The teacher with a number of students _____ in the classro A large number of students in my class___surfing the Interne – A number of students ____ in the dinning hall. A number of students in my class_________from Beijing.The nu There ( ) a small number of students in the classroom. A number of students _____interested in computer games. A large number of students ___to school in the morning a number of students还是a number of the students a number of the students The number of the students in our school ( )2000.A number of Now,Mr LI is checking_____the students.（a number of ,the num The number of students in our school ____ 4000 and a number