worry的过去式_worry的过去式怎么写( 七 )

A.becomes
B.became
C.has become
25（2019贵州黔西南）----How many letters _____ you _____ to your mother?
----109in all, since 2016
A.has, written
B.have; written
C.did; write
D.are ; writing
四、完成句子
1.（2019四川达州）China has been able to make big planes like C919 with scientists’ great effects.
______ China ______ able to make big planes like C919 with scientists’ great effects?
2.（2019辽宁盘锦）布朗(Brown) 一家人已经在上海生活10年了
3.（辽宁铁岭）复仇者联盟4》已经上映两个月了。
Avengers:Endgame for two months.
4.（2019辽宁辽阳）他们已经采取行动挽救野生动物了吗？
Have they _____ to save wild animals yet?
Key
一、
1.heard, 2eaten, 3since
二、
1.has sold,
2.have had a fever
3.haven’t changed
4.been
5.has kept
6.haven’t been
7.have finished
三、
1---5BDDAB;
6---10CABBA;
11--15CDCBD;
16--20BDBBC;
21--25ABCCB
四、
1.Has, been
2.The Browns/ The Brown family have been/ lived in Shanghai for 10 years/ since 10 years ago.
3.has been on
4.taken action
声明：整理自网络！