I have trouble ________ the new words. 
#75119
A
memorize
B
to memorize
C
memorizing
D
memorized
推荐题目
J K Rowling jumps farther than ______ in her class.
#77438
A
any other boys
B
the other boys
C
any boy
D
another boy
You ________ in person; a telephone would have been enough.
#62596
A
couldn’t have come
B
needn’t have come
C
shouldn’t have come
D
mustn’t have come
—How did he get my telephone number?—You ________ it . You told him last week.
#63204
A
should have forgotten
B
may have forgotten
C
must have forgotten
D
could have forgotten