单选 1.Professor Wang is giving a lecture on__phyics.A.a B.an C.the D./
问题描述：
单选 1.Professor Wang is giving a lecture on__phyics.A.a B.an C.the D./
2.What_pity that he has missed the change!
A.the B.a C.an D./
3.I will try to_who stole my wallet.
A.look for B.look up C.find Dfind out
4.Look,the whole room is covered__dirt.
A.by B.for C.with D.at
答
D a lecture on…… 一堂物理课,不用加冠词
B 感叹句 what a pity 多么遗憾
D find out找出来
C
be covered with 覆盖着.（强调状态）
be covered by 覆盖着.（强调动作）What__your room is!A.dityB.a massC.mess D.messyJohn was elected__chairmn of __students`unionA.a;aB.a;theC.the;theD./;the1.应该是 a mess。Bwhat a mess your room is2. D不懂的话我给你解释