“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”
Mr Peter is a techer __by all the students in the school.
Tom’s bike needs ___. A. to repair B repairing C. repair D. be repaired
__ of them has got a book.
Wang Jing is sitting __ my right.
Little Jim sat under the tree, ___ about that maths problem.