Yangzi River is the first _______ river in China.
A. bigger B. big C. biggest
"The volleyball must belong to Mary" means_________
| A．The volleyball must be Mary | B．Mary has a volleyball |
| C．The volleyball must be Mary's | D．That can't be Mary's volleyball |
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 skill, Mary?
----I often do it _______ tapes and English radios.
| A．by hearing | B．in listening to | C．by listening to | D．for listening |