[ Good vs. Well ]
I think they are … mechanical engineers.
a. good
b. well

Random Topics:
Verbs: Action, Linking, and HelpingPast and Perfect TensesSynonyma, an, the, zero articleNoun, Quantifiers and SuffixesSimple TensesPassive Modals, Impersonal PassiveBecause / soSimple Past/Past ProgressiveProgressive Perfect and Simple Verb TensesOther quiz:
Grammar › ViewShe … on her cell phone while she … to work.
A. talk, drive
B. talks, drives
C. is talking, drives
D. was talking, was driving
Grammar › View
The _____ of the new building is near the old building.
A. cite/s
B. site/s
C. sight/s
Irregular Verb › ViewLalin still hasn’t ______ back the pen I lent her in February
A. give
B. gave
C. gived
D. given
Phrasal Verb › View
The thieves broke ……. and stole all the equipment.
A. in
B. up
C. down
D. out