________ at the door before you enter my room, please.
| A.Knock | B.Knocking | C.Knocked | D.To knock |
—I haven’t heard from Henry for a long time.
—What do you suppose________ to him?
| A.will happen | B.has happened | C.was happening | D.had happened |
The manager promised to keep me_______ how our business was going on.
| A.informing of | B.informed of | C.to inform of | D.on informing |
The first English novel _____ I read was “Gone with the Wind”.
| A.which | B.that | C.who | D.whom |
I don’t like the way_____ he speaks to others.
| A./ | B.in that | C.which | D.of which |
My English has greatly improved , ______ I practice using it every day.
| A.until | B.unless | C.though | D.as |