IV.仔细分辨下列单词或词组,并用其适当的形式完成下列各句.

IV.仔细分辨下列单词或词组,并用其适当的形式完成下列各句.
(a) a bit of; a bit
91.I think he is young to be watching this.
92.There’s water in the glass.You can drink it.
(b) already; yet; still
93.He looked for his lost book the whole morning,but he hasn’t found it .
94.Your mother has left.Why are you standing here?
95.—Would you like to go to see the film Tiny Times with me?
—I’d like to,but I have seen it twice.
(c) as well; also; too; either
96.David hasn’t finished his homework.I haven’t .
97.Yi Zhongtian is a teacher and a writer .
98.His uncle is a worker.His aunt is a worker .
99.Jim likes playing football.He likes playing basketball.