Topics: Expressing Obligation and Modals
Complete the sentences with the correct form of the modals and verbs in parentheses:
Companies ___________ (must / promise) customers products they cannot build.
A. must promise
B. mustn’t promise
C. musts not promise
Preview next quiz:
We ….. collect our project by tomorrow to get A in Biology.
A. Must
B. Shouldn’t
C. Mustn’t
D. Can