You look very tired. You ____ too hard these days.
A. could have worked
B. ought to have worked
C. should have worked
D. must have worked
第1题:
9. _______you _______ stay at home today?
A. Do ; have to
B. Must; have to
C. Have; to
D. Do ; must
第2题:
A、have…flowing
B、have…flow
C、have…to flow
D、have…flowed
第3题:
If the bill of lading contains the words weight and quantity unknown,the shipper must ______ that the goods were in fact shipped to succeed in an action for non-deli-very.
A.show
B.make
C.get
D.have
第4题:
—Where____you____lunch?
—Athome.Therewasnoschoollunch
A.did;have
B.are;having
C.will;have
D.do;have
第5题:
A.pass,work
B.willpass,work
C.pass,willwork
第6题:
You look() What()you()?
Atire;did;do
Btiring;have;done
Ctired;do;do
Dtired;have;been doing