The window ______ by Tom yesterdayMrWhite is repairing it now

Who can you turn to in time of danger, if not ___?

下列各句中，没有语病的一句是（3分）

Michael has changed beyond recognition—！How did he manage to lose somuch weight

YourEnglish teacher is so popular with students.– You are right! Jennifer’s nice to us all. She’s_____ a teacher _____ a friend for us.