He wants ______ better in Maths .
A.do B.be C.to do
The girls often go ____ on the weekend.
A. shopB. shopingC. shopping
My parents always go to work_____7:20 a.m.
A. inB. on C. at
I often play ping-pong ________ my friend.
| A．for | B．in | C．on | D．with |
___________ is the first month of a year.
| A．February | B．March | C．June | D．January |
-- When is Tree Planting Day?
--It’s ___________ March.
| A．at | B．in | C．on | D．of |