—Where did you get this book?
—I picked it up from a secondhand bookshop if you ________ know.
| A．must | B．will |
| C．can | D．shall |
It is_______ he often fails in exam_______ makes his parents worried about him.
| A．because, that | B．that, that | C．不填, that | D．what, that |
With more forests being destroyed, huge quantities of good earth each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
My brother was against my suggestion while my sister was ____ it.
| A．in honor of | B．in search of | C．in favor of | D．in charge of |
"The house _______ go to the daughter, not the son, according to the will of the father, "declared the judge.
| A．may | B．should | C．must | D．shall |
_______ that Tom got inside the room to see what was going on.
| A．So strangely did he feel | B．So strangely he felt |
| C．So strange did he feel | D．So strange he felt |