Dust quickly ______ if we don’t sweep our floor.A、accumulatesB、collectsC、gathersD、increa

If you don’t like to swim, you _____as well stay a

If these new methods don’t work，we’11 have to__________our old system．A.fall through###SXB

I______the instant coffee if it s all you ve got.A．don"t object to havingB．don"t object to

We are warned______.A．not play fireB．not to play with fireC．don" t play fireD．don" t play

The foreign friend spoke so quickly that we didn t ______ what he said.A．catchB．missC．lis

Don’t worry. The problem is _____, and will be quickly overcome.A、unclearB、seriousC、mino