time用法详解
by the time 到……为止；at a time一次；at one time曾经；one third the time 的时间；at the / this / that time在这/那时；take your time慢慢来，别紧张；in time for及时赶到，in time of 万一碰到，once a time= once upon a time从前
1.        you get this letter I’ll be in Canada
A. at the time     B. On the time       C. By the time       D. In the time
2. This used to be a very pretty valley          .
A. at one time    B. one times          C. at times         D. for a time
3. There’s no need to rush back – just         .
A. take your time     B. have your time     C. look at your time    D. on your time
4. Don’t try to do everything at once ,take it a bit         .
A. at a time       B. at the time        C. at times      D. all the time
5. I agreed       but later changed my mind.
A. at the time     B. at times          C. all the time    D. in the time
6. He did it         it took me.
A. one-third a time      B. one-third time     C. the one-third time    D. one-third the time
7.             of great danger，           always act bravely.
A. In the time； the Smiths      B. In time； the Smiths’
C. In time； the Smiths         D. In the course，these Smiths
8.           I used to go mountain climbing every summer.
A. Once a time     B. At a time           C. At one time         D. At the time
1-8解：选CAAAADCC.