A.he failed
B.did he fail
C.he did fail
D.had he failed
[单选题]The students failed in the experiment again， ( )they didn’t lose heart.A.so
He has failed many times，______he never loses heart.（ ）A. andB. butC. orD. so
This experience was horrible, and he didnt want to ____ the same thing again.A.
[单选题]We shouldn’t lose heart( )of difficulties.A.in timeB.in chargeC.in honorD.i
Fill in each blank with only ONE wordHe seems strict but hes a very kind man (9)
[主观题]It rained _________(heavy), so he didn’t go to work yesterday.
[单选题]He didn’t tell me( )he was planning to return.A.whenB.whereC.sinceD.while
He had a bad cold, ________ he didn’t attend the meeting．A. becauseB. because of
He ____ the maths examination if he had worked hard enough, but he didn’t.A. wou
[问答题]He didn’t need to attend the meeting.