The group’s research has done much to our knowledge of the HIV virus．
| A．advance | B．pull | C．rush | D．adopt |
Iwanttogotothehospital,butyou_____withme.
| A．needtonottogo | B．donotneedgo | C．neednotgo | D．needgonot |
Thelittlekid_____nottouchthedog.
| A．need | B．dare | C．ought | D．could |
Heismuchricherthanwhathe_____.
| A．wouldbe | B．mustbe | C．usedtobe | D．couldbe |
He_____away.Wedon’tseehimanywherearound.
| A．maygo | B．mustgo | C．cango | D．musthavegone |
Shelookssosad.She_____ill.
| A．canbe | B．shouldbe | C．mustbe | D．willbe |