(2013·宁夏银川一中高三第四次考试)________ scores of times, but he still couldn't understand it.
A.Having explained
B.Having been explained
C.Though it was explained
D.It was explained
(2013·河北普通高中高三质量监测)________ I couldn't fully understand what he wanted to show in his paintings, I thought his works were quite impressive.
A.As B.Since C.If D.While
(2013·北京朝阳模拟)Jim came back early last night. It was not yet eight o'clock ________ he got home.
A.before B.that C.when D.until
(2013·乌鲁木齐高三第一次诊断性测验)If we work with a strong will, we can overcome any difficulty, ________ great it is.
A.what B.how C.however D.whatever
(2013·乌鲁木齐高三第一次诊断性测验)Life is filled with things we have no control over, ________ ourselves, we can control.
A.for B.and C.so D.but
(2013·吉林长春高中毕业班第一次调研)I'll make some sandwiches, just ________ we get hungry later.
A.even if B.as though
C.if only D.in case