—Do you think I should accept the invitation to his birthday party?
—_________ If I were in your shoes, I certainly would.
A.None of your business. B.I don’t think so. C.It depends. D.Why not?
—Can you tell me________ ?
—As long as two months.
A.how soon a battery will last B.how long will a battery last
C.how often you should change a battery D.how long a battery will last
About of the earth covered with water,but we have less and less available fresh water.
A.three-fourth;is B.three-fourths;is
C.three-fourth;are D.three-fourths;are
Spacecraft________ made ________ possible for humans to research into the universe.
A.have; it B.has; it C.have; that D.has; that
The Queqiao satellite(卫星)will form a ________ bridge between controllers on the Earth and the far side of the Moon.
A.contribution B.communication C.celebration D.construction
Nick's brother________the navy in 2011and ________the navy since then.
A.joined; has joined B.joined in; has joined in
C.joined in; has been in D.joined; has been in
