With a lot of tough problems , the pilot was still calm, cool and collective under pressure.
#96144
A
solve
B
solved
C
solving
D
to solve
推荐题目
A large number of people are held up in the railway station for tickets to return home．
#88635
A
wait
B
waited
C
to wait
D
waiting
This is a city which lives for today while ____ by its past.
#97832
A
surround
B
surrounding
C
surrounded
D
to surround
______ twice, the postman refused to deliver our letters unless we chained our dog.
#95354
A
Being bitten
B
Bitten
C
Having bitten
D
To be bitten
The traffic administration indicates that airline passengers are only allowed to carry their luggage _______ less than 5 kilograms with them.
#91974
A
weighed
B
being weighed
C
weighing
D
to weigh