Ihavebeenstudyinghereforfouryears,bynextsummerI________.
A、shallgraduateHeaskedmewhethermybrother________(fly)toBeijing.
Thistest________anumberofmultiplechoicequestions.
“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
________(catch)intherain,hewaswettotheskin.
