Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
I prefer this diagram ________ that one.
You ________ go now. It ’s getting late.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
Herefusedtotelluswhetherhe________(undertake)thejob.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.