用单词的适当形式填空。1. Don"t enter the house without _____ ( knock) at the door.2. Spaces

用单词的适当形式填空。1. Don"t enter the house without _____ ( knock) at the door.2. Spaces

题型:同步题难度:来源:
用单词的适当形式填空。
1. Don"t enter the house without _____ ( knock) at the door.
2. Spaceship _____ (with) people has reached other parts of the space.
3. How _____ (be) Paul"s party last night?
4. Students are not supposed _____ ( be) late for school.
答案
1. knocking    2. without    3. was    4. to be

举一反三

-How long do you spend                your homework every evening?            
-About two hours.          


[     ]
A. to do
B. doing
C. do
题型:同步题难度:| 查看答案
When did you finish _____ the book?    [     ]
A. write
B. to read
C. to write
D. reading
题型:同步题难度:| 查看答案
-Do you like making friends with others?            
-Of course. I"m afraid of _______.         [     ]
A. be alone
B. being alone
C. to be alone
题型:同步题难度:| 查看答案
The English party ended up by _______ an English song.        [     ]
A. sing
B. sings
C. singing
题型:同步题难度:| 查看答案
The Americans had to put off _______ the space shuttle.              [     ]
A. launch              
B. launching              
C. to launch
题型:同步题难度:| 查看答案
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