We must () that the telegram arrives in time.
A.secure
B.ensure
C.assure
D.cure
A.secure
B.ensure
C.assure
D.cure
We must be aware that reading is a ______ tool of learning in higher education.
A.basic
B.basis
C.base
D.basics
We must take some measures to control the pollution. (英译汉)
We must cherish experience______ at the cost of blood.
A.enquired
B.inquired
C.acquired
D.required
We've worked out the plan and now we must put it into______.
A.fact
B.reality
C.practice
D.deed
We must begin testing the instrument,no matter ______ difficult it is.
A.what
B.how
C.when
D.where
We must leave the party at exactly 9:00 ______ we'll be late for work.
A.for else
B.other
C.else
D.otherwise
We must make sure that wemake changes in response tonew developments in computer technology, otherwise we will soon lag behind.
Jim would rather we ______ now, but we must go to work.
A.not leave
B.had not left
C.didn't leave
D.not to be left