This box is so heavy that he cannot lift it. ________, he is only a ten-year-old child.
A.In all | B.Above all | C.At all | D.After all |
It is not always easy for the public to see _______ use a new invention can be of to human life.
A.whose | B.which | C.that | D.what |
He dressed up and went to the party as if ________.
A.was invited | B.had been invited | C.to be invited | D.invited |
After completing and signing it, please return the form to us in the envelope _______.
A.provided | B.providing | C.having provided | D.provide |
The book was written in 1946, _______ the education system has witnessed great changes.
A.since then | B.when | C.since when | D.during which |
He ______ be sitting at the gate, waiting for his lost son.
A.used to | B.was used to | C.could | D.was accustomed |