—— I'm sorry I can't help you. —— ________.
A. Not at all.
B. You are welcome.
C. It doesn't matter.
选择字母的序号写在横线上，使单词完整。
（1）cmputer （计算机） (A.e. B.a . C.i . D.o )
（2）fn（风扇）(A.i B.e C,o D,a)
（3）fv（五） (A,i,aB.e,iC.a,eD,i,e)
（4）mth （数学）(A.i B.uC.e D.a )
（5）msc（音乐）(A.u,r.B,i,uC.a,eD,u,i)
（6）pctur(图画)(A.o,o B.e,eC,e,i D.i,e)
We stay ____ home ______ Sundays.
| A．at, on | B．in, on | C．at, in | D．on, on |
Can you write ____ me soon?
| A．on | B．at | C．to | D．of |
Tom isn’t here. Let’s go_____.
| A．/ | B．home | C．to home | D．at home |
Can you see the boy in the tree? No, I _____.
| A．am not | B．can’t | C．it isn’t | D．I don’t |