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
When she saw her son liked reading, she did all she could ______ him.
#95808
A
help
B
to help
C
helping
D
to helping
During the football match, he hurt his arm as well as his leg.
#89756
A
break
B
breaks
C
breaking
D
broke
The sun was shining brightly, ________ everything there ________ more beautiful.
#90181
A
making; look
B
to make; looked
C
made; looking
D
making; be looked
First he made a list of the names of those .Then he began to write the invitation cards .
#94606
A
to invite
B
to be invited
C
invited
D
have been invited