Listen! Do you hear someone __________for help?
#95859
A
calling
B
having called
C
to call
D
called
推荐题目
You'd better get all the work _________ before you leave.
#98400
A
finishing
B
to finish
C
finished
D
be finished
At the Qiantang River on September 24th last year, the tidal bore, a name for a large column of water produced by the tide, _____ as high as 1．9 metres, the start of the autumn flood period of the liver．
#93651
A
reaching marking
B
reached; to mark
C
reaching; to mark
D
reached; marking
Charles Babbage is generally considered to _______ the first computer.
#94390
A
to invent
B
inventing
C
to have invented
D
having invented
—Excuse me，sir, where is Room 301?—Just a minute.I'll have Bob ________ you to your room.
#89212
A
show
B
shows
C
to show
D
showing
________ with routine office tasks, she had no time to attend to her children.
#95482
A
Occupying
B
Occupied
C
Being occupied
D
To be occupied