The population problem may be ______ one of the world today.
| A．the most | B．most difficult | C．the greatest | D．more interesting |
I____singing to dancing.
| A．like | B．enjoy | C．love | D．prefer |
“Help _____to some fish。” Mrs Smith said to the children.。
| A．you | B．yourself | C．yourselves | D． yours |
That is a watch of______.
| A．his | B．him | C．my | D．me |
There are many tall buildings on ____sides of the street.
| A．each | B．every | C．both | D．either |
Our English teacher is ill, so Mr. Smith will take her class _____.
| A．instead | B．instead of |
| C．except | D．at the end |