— What did your parents think about your decision?
— They always let me do _______I think I should.
| A．when | B．that | C．how | D．what |
By the end of last term, we ___ more than 2000 English words.
| A．had learned | B．have learned | C．learned | D．have been learned |
Mary is absent from school today because he __ a cold.
| A．catches | B．had caught | C．has caught | D．will catch |
The meeting has begun, I wonder how long ago ___.
| A．it began | B．did it begin | C．began | D．it has begun |
You ___ me because I never said that I would meet you there.
A. must be misunderstanding B. must misunderstand C. have to misunderstand D must have misunderstood
This story was very exciting.I ___ it before.
| A．I had never read | B．I never did read | C．I would never read | D．I have never read |