Hearing that he would have to be given another injection, the boy _ a smile to cover up his fear.
| A．wore | B．managed | C．strengthened | D．controlled |
I do not mind her criticizing me, but _____ is how she does it that I object to.
| A．it | B．that | C．this | D．which |
It ______ we had stayed together for a couple of weeks ____ I found we had a lot in common.
| A．was until; when | B．was until; that | C．wasn’t until; when | D．wasn’t ;that |
It was after he got what he had desired _____ he realized it was not so important.
| A．that | B．when | C．since | D．as |
It is not who is right but what is right _____ is of importance.
| A．which | B．it | C．that | D．this |
I just wonder _____ that makes him so excited.
| A．why it does | B．what he does | C．how it is | D．what it is |