I hope __________ a good teacher like Mr Lee.[ ]
A. to be
B. is
C. am
D. are
答案:A
The manager considers it is important that everything _______ by weekend.
A.will complete;
B.has completed
C.be completed
D.is completed
消除焊接残余应力的热处理方法是( )。
A.消氢处
B.退火和高温回火
C.正火
D.淬火