_______ basic first-aid techniques will help you respond quickly to emergencies.
#90591
A
Known
B
Having known
C
Knowing
D
Being known
推荐题目
The boy felt quite happy because he was closer now to ______ an answer of his own.
#96407
A
have found
B
find
C
finding
D
having found
—How do you deal with the disagreement between the company and the customers? —The key ___ the problem is to meet the demand ____ by the customers.
#97320
A
to solving; making
B
to solving; made
C
to solve; making
D
to solve; made
The presents ______ on my birthday moved me a lot.
#90598
A
received
B
were received
C
receiving
D
to receive
She can’t help ______ the house because she’s busy making a cake.
#95492
A
to clean
B
cleaning
C
cleaned
D
being cleaned