At that time, the calculator was a great ______ / ɪnˈvenʃn /.
| A．invent | B．invitation | C．invention | D．inventor |
Lily and Lucy for America by plane yesterday.
A. left B. leave C. leaves
is a bad habit. People should give it up.
A. Smoke B. To smokeC. Smoking
— Excuse me, whose French book is this?
—It be Tom’s. In our class, only he is studying French.
A. must B. can’t C. May
Mr. Li asks us to remember that careful we are, mistakes we will make.
A. the more;the fewer B. the fewer;the more C. the more;the more
There are about two students in our school.
A. thousand B. thousands C. thousands of