---Why are you standing, Tony?
---I can’t see the blackboard. A tall boy is ______ me.
| A．behind | B．in front of |
| C．on the right of | D．next to |
Tony used to _______ to school, but he is used to _______ to school now.
| A．walk; taking a bus | B．walked; took a bus |
| C．walk; take a bus | D．walked; taking a bus |
My grandpa is _________ weak ______ look after himself．He needs help．
| A．so, that | B．very, to | C．so, to | D．too, to |
When they heard the ___________ news，they got very ___________．
| A．frustrating, frustrated | B．frustrated, frustrated |
| C．frustrated, frustrating | D．frustrating, frustrating |
I don't know _______.Can you tell me________?
| A．how swim; what to do | B．how to swim ; what to do it |
| C．how to swim; what to do | D．what to swim; how to do |
. ----How do you improve your listening skills, Mary?
----I often do it _______ tapes and English radios.
| A．by hearing | B．in listening to |
| C．by listening to | D．for listening |