By the last weekend, I had learned all the letters of the French ____.AsymbolBpatternCal

— I drove to Shenzhen for the air show last week.— Is that _____ you had a few days off？

What does the dialogue mainly tell us？A．The man had a good time last weekend.B．The farmlan

By the end of last year they _____ 1,000 machines.A. turned outB. had turned outC.

Mr. Green said his clients______our samples by the end of last month.A．didn"t receiveB．had

We had a party last night. I’ve had to spend______morning clearing up the mess.A.wholeB.en

Not until last night ______ the news.A.did I knowB.didn I knowC.that I knewD.had I known