I’m impressed with his determination. When he had a problem to solve, he _____ work at it until he found an answer.
#63610
A
would
B
might
C
must
D
should
推荐题目
You have finished most of the work, so you ______ start working so early tomorrow. You ______ come at 9:00.
#74558
A
can’t ; may
B
mustn’t ; can
C
needn’t ; may
D
couldn’t ; can
---.Look! It _____be your uncle .----It_____ be him . He has gone to Xi’an.
#75921
A
can, mustn’t
B
can , can’t
C
must, can’t
D
must, may
--- _________ David be the new chairperson of the Students’ Union? --- He ________ be, but I’m not sure.
#74581
A
Can; can’t
B
Can; may
C
May; must
D
May; mustn’t
This book _____ Lucy’s. Look! Her name is on the book cover.
#75339
A
must be
B
may be
C
can’t be
D
mustn’t be
— I know by what time you want the project to be done?—By the day after tomorrow. you finish it on time?
#74189
A
May; Can
B
Must; Need
C
Could; Must
D
Need; Would