Smiles around the world _____ be false, ______ other feelings like anger, fear or worry.
#95306
A
must; hide
B
must; hiding
C
can; hide
D
can; hiding
推荐题目
No matter how bright a talker you are, there are times when it’s better silent.
#91718
A
remain
B
to remain
C
having remained
D
to be remained
As we know, penicillin became the greatest drug of the 20th century, ______ millions of lives.
#95101
A
to save
B
saving
C
saved
D
Save
Visitors are not permitted ________ the park after dark, because of the lack of lighting.
#88371
A
to enter
B
entering
C
to enter in
D
entering in
The boy pretended when his parents entered the room.
#96380
A
reading
B
to reading
C
to be reading
D
having read
Sarah felt like when she found out that she had been chatting online with a boy student of her same class.
#90843
A
cry
B
to cry
C
being crying
D
crying