You ________ go now. It ’s getting late.
C
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Some molecules are large enough ________ (see) under the electronic microscope.
Those who’d like to visit the exhibition ________ (sign) your names here.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
Ifound________toanswerallthequestionswithinthetimegiven.
This diploma ( 毕业文凭 ) ________ that you have completed high school.