1.My frind _____at 4:00 today.My mother and I _____her at th

1.My frind _____at 4:00 today.My mother and I _____her at the station.
A.is arriving,are going to meet
B.arrives,meet
C.arrive,are going to meet
D.is arriving,meet
2.David's flat is too small for her.She ______a bigger one.
A.will buy
B.is going to buy
C.is buying
D.buys
3.I_____Beijing for a holiday
A.am going to
B.go to
C.am going
4.What time _____we meet?
A.shall
B.will