10.It began to rain suddenly this afternoon.(sudden)
11.We can learn about the _life____ of ancient animals from their fossils.(life)
12.Have you ever been to that _amusing_____park?It’s very famous in Guangzhou.(amuse)
13.¬¬¬¬¬¬_Finally_______,all the students in his class went to university.(final)
14.There used to be a lot of _mice_____ in this area.(mouse)
15.He is the ___third__tallest student in his class.(three)
16.Don’t eat too many sweets.They are _harmful_____ to your teeth.(harm)
17.Don’t be afraid of the worm.（蠕蟲） It’s__haemful______ (harm)
18.Some dinosaurs were very gentle.They were like chickens.（合并）
Some dinosaurs were _as_____ _gentle___as_ _____ chickens.
19.Jean’s mother put some presents in her stockings.（否）
Jean’s mother ____doesn't_put____ _any__ presents in her stockings.
20.The fisherman caught five fish in all.
_How__ __many fish __did the fisherman __catch in all?