Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.

• A.took
• B.brought
• C.showed
• D.came

Theoppositionleaders________thegovernmentfornottakingactionsooner.

• A.warned
• B.criticized
• C.threatened
• D.urged

It________asashocktorealizethatIwasnotaloneintheroom.

• A.came
• B.appeared
• C.arrived
• D.reached

Theassociationis________toraisingfundstohelptheblind.

• A.conducted
• B.committed
• C.concentrated
• D.concerned

________somanypeopleintheUnitedStatesbeenoutofworkastoday.

• A.Morethaneverbefore
• B.Inthepast,therehavenever
• C.Neverbeforehave
• D.Formerly,thereneverwere

Iwon't________thosechildrenmakinganoiseinmyhouse!

• A.allow
• B.let
• C.have
• D.permit