Mr．Jiang ____ the company to develop the 5G network for years． Now he works as the chief engineer in it．（ ）
A．joinedB．was a member of
C．has joinedD．has been a member of
It _____ me two hours to help Mary with her math last Saturday．（ ）
A．tookB．spentC．paid
It is very dangerous for us the mobile phone while crossing the street． （ ）
A．answeringB．to answerC．answer
I like _____． They are my favorite fruit．
Really？ But I like apples．（ ）
A．strawberriesB．orange
C．banana
Have you seen _____ film Journey to the West？
Yes， it's _____ interesting film．（ ）
A．a， anB．a， theC．the， an
Hi， good morning． My name is Tim． This is my first time to be here．
______．（ ）
A．It's all right
B．Nice to meet you
C．That would be very nice