题目内容
用所给动词的正确形式填空。
－________ she ________(write)a letter to her grandma yet?
－No,she ________(write)it this evening．
前句是现在完成时，后句根据No可知应用一般将来时。
用所给词的正确形式填空。
They ________ never ________(cook)dinners for their parents．
下列各句中均有一处错误，请指出并改正。
I haven't heard from my parents ________．
A．
already
B．
ever
C．
yet
D．
just
完成句子。
我去过北京三次了。
I ________ ________ ________ Beijing three times．
句型转换。
－Where is he?(根据问句进行回答)
－He ________ ________ to the teachers'office．
选择方框中的短语填入下面的句子。使其通顺完整。(每个短语只能用一次)
1．I often ________ my friends by QQ．
2．There are ________ people in the supermarket．
3．Scientists think that there has been life ________ for hundreds of years．
4．The earth ________ the sun．
5．The boy is old ________ go to school．
根据汉语提示完成句子。
科学家们已经在宇宙中发现了许多其他的星系。
Scientists ________ ________ many other ________ in the ________．
The boy is so short that he can't reach the top of the desk．(改为同义句)
①The boy is ________ ________ ________ reach the top of the desk．
②The boy isn't ________ ________ ________ reach the top of the desk．
