(
B
)1. You had better ______ sell your car.
A. don't
B. not
C. no
D. didn't
(
C
)2. Gary was driving ______ seventy miles an hour.
A. to
B. with
C. at
D. on
(
D
)3. She didn't hear the doorbell. She ______ at home.
A. must be
B. can't be
C. must have been
D. can't have been
(
A
)4. Ann wanted ______ slowly.
A. him to drive
B. him drive
C. he to drive
D. he drive
(
C
)5. Gary thought he was driving ______ a race track.
A. at
B. to
C. on
D. in
(
C
)6. Gary didn't see the speed limit. He ______.
A. must dream
B. must have dreamed
C. must have been dreaming
D. can't have been dreaming