... test positive for antibiotics when tanker trucks arrive at a milk processing plant, according to federal law, the entire truckload must be discarded.
Should milk
If milk
If milk is
Milk should
Pembahasan: Conditional Sentence (Inversi Tipe I)
Gunakan bentuk inversi: should + S + V1/be sebagai pengganti if.
Bandingkan pilihanmu dengan sobat pembelajar yang lain.