Tony is busy _______ his homework.
#50470
A
doing
B
do
C
to do
D
does
推荐题目
The teacher always tells us not ___ any chance because it can help you grow up.
#49858
A
to miss
B
miss
C
missing
D
missed
Kate __________ the hills __________ when she was young.
#49838
A
preferred to climb; rather than exercise
B
prefers climbing; to exercising
C
preferred to climb; to exercise
D
preferred climbing; to exercising