We find________impossible for us to learn a foreign language well in a short time．
A．that
B．this
C．one
D．it
A lot of trees________on the hill yesterday．
A．are planted
B．will be planted
C．have been planted
D．were planted
He likes reading very much．Most of his money________on books．
A．is spent
B．spend
C．spends
D．are spent
—Why are you late，Jim？
—Because there________a lot of traffic when I came here．
A．is
B．are
C．was
D．were
—Mike，why are you watching TV again？
—I________my homework．
A．finish
B．finished
C．have finished
D．had finished
________energy，turn off the hot water after you take a shower．
A．Save
B．Saving
C．Saved
D．To save
