Martin Cooper , a US researcher , was considered _______ the first cell phone .
#96873
A
invented
B
to invent
C
having invented
D
to have invented
推荐题目
It’s harmful for the students to spend too much of their time ______ computer games.
#96999
A
play
B
to play
C
playing
D
played
Mrs. White showed her students some old maps from the library
#89637
A
to borrow
B
borrowed
C
to be borrowed
D
borrowing
Hurry up! There is ________ time ________.
#96973
A
much, to go
B
little, left
C
a little, going
D
few, left
_____ the front door _____, he had to enter the room through the back door.
#98866
A
Seen; painted
B
Seeing; painted
C
Being seen; being painted
D
Seeing; being painted
The experiment shows that proper amounts of exercise, if ___ regularly, can improve our health.
#94356
A
being carried out
B
carrying out
C
to carry out
D
carried out