Iwonderifhecouldgetit________(do)beforetomorrow.

ComradeLi________beinBeijingbecauseIsawhimintownonlyafewminutesago.

Ihavebeenstudyinghereforfouryears,bynextsummerI________.

Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.

He ________ me that he decided to leave on Monday.