In order not to be disturbed, he spent two hours ____ in his study.
#89452
A
locking
B
to lock
C
locked
D
being locked
推荐题目
Don’t leave her_____ outside in the rain.
#94650
A
wait
B
having waited
C
being waited
D
waiting
The oceans and seas ______ the islands are more or less polluted.
#91842
A
surrounding
B
surrounded
C
are surrounded by
D
are surrounding
He arrived early,____ to have a look at his favourite pop star.
#92068
A
hoping
B
to hope
C
having hoped
D
hoped