When you drive home, you can’t be＿＿＿＿＿＿＿careful.
| A．very | B．too | C．so | D．only |
20．She is the only one of the students who____a winner of the match．
A．1s B are C．have been D．had been
19.To play table tennis and to go swimming_____good for character training
A is B．are C was D were
18. ______changed，and whatever men can do，woltllen call do，too
A Age had B Ages have C．Times have D Time has
17．____your brother or you to blame for the broken TV set?
A．Be B．Are C Is D Were
16．Large quantities ofinformafion，as well as methnely help，_______since the organization was built．
A has offered B．had been omred
C．have been offered D．is offered